Wide receiver Rueben Randle (82), second-round draft pick, catches a pass during football drills at the New York Giants rookie minicamp in East Rutherford, N.J., Saturday, May 12, 2012. (AP Photo/Mel Evans)

St. Louis Rams cornerback Janoris Jenkins catches a ball during the NFL football team's rookie minicamp, Saturday, May 12, 2012, in St. Louis. (AP Photo/Jeff Roberson)

May 12, 2012; Charlotte, NC, USA Carolina Panthers wide receiver Joe Adams (15) fields kickoffs during the special teams portion of the morning session workouts at Bank of America Stadium. Mandatory Credit: Jeremy Brevard-US PRESSWIRE

Wide receiver Rueben Randle (82), second-round draft pick, runs with the ball during football drills at the New York Giants rookie minicamp in East Rutherford, N.J., Saturday, May 12, 2012. (AP Photo/Mel Evans)

A cameraman looks out over the field during the New York Giants' NFL football rookie minicamp in East Rutherford, N.J., Saturday, May 12, 2012. (AP Photo/Mel Evans)

May 11, 2012; San Diego, CA, USA; San Diego Chargers linebacker Melvin Ingram (54) at rookie minicamp at Chargers Park. Mandatory Credit: Kirby Lee/Image of Sport-US PRESSWIRE

May 11, 2012; San Diego, CA, USA; San Diego Chargers defensive lineman Kendall Reyes (91) hits a blocking dummy at rookie minicamp at Chargers Park. Mandatory Credit: Kirby Lee/Image of Sport-US PRESSWIRE

May 11, 2012; San Diego, CA, USA; San Diego Chargers coach Norv Turner (center) talks with tackles Cordell Bell (73) and Charles Burton (72) and quarterback Jarrett Lee (16) at rookie minicamp at Chargers Park. Mandatory Credit: Kirby Lee/Image of Sport-US PRESSWIRE

Oakland Raiders rookie offensive tackle Tony Bergstrom (70) stands next to offensive tackle Daniel Knapp (71) at the NFL football team's training facility in Alameda, Calif., Saturday, May 12, 2012. (AP Photo/Jeff Chiu)

The Oakland Raiders 3rd round draft pick, offensive lineman Tony Bergstrom, during the three-day rookie mini-camp at the Raiders Alameda practice facility. (Tony Gonzales/Oakland Raiders)

The Oakland Raiders 6th round draft pick, offensive lineman Christo Bilukidi, during the three-day rookie mini-camp at the Raiders Alameda practice facility. (Tony Gonzales/Oakland Raiders)

The Oakland Raiders 5th round draft pick, offensive lineman Jack Crawford, during the three-day rookie mini-camp at the Raiders Alameda practice facility. (Tony Gonzales/Oakland Raiders)

The Oakland Raiders 5th round draft pick, offensive lineman Juron Criner, during the three-day rookie mini-camp at the Raiders Alameda practice facility. (Tony Gonzales/Oakland Raiders)

The Oakland Raiders 4th round draft pick, offensive lineman Miles Burris, during the three-day rookie mini-camp at the Raiders Alameda practice facility. (Tony Gonzales/Oakland Raiders)

The Oakland Raiders 7th round draft pick, offensive lineman Nathan Stupar, during the three-day rookie mini-camp at the Raiders Alameda practice facility. (Tony Gonzales/Oakland Raiders)

Oakland Raiders rookie linebacker Nathan Stupar (54) practices at the NFL football team's training facility in Alameda, Calif., Saturday, May 12, 2012. (AP Photo/Jeff Chiu)

Oakland Raiders head coach Dennis Allen, left, talks with rookie linebacker Nathan Stupar (54) at an NFL football training facility in Alameda, Calif., Saturday, May 12, 2012. (AP Photo/Jeff Chiu)

Oakland Raiders rookie linebacker Miles Burris practices at the NFL football team's training facility in Alameda, Calif., Saturday, May 12, 2012. (AP Photo/Jeff Chiu)

Philadelphia Eagles cornerback Brandon Boykin works during a rookie minicamp at their NFL football training facility on Saturday, May 12, 2012, in Philadelphia. (AP Photo/Alex Brandon)

Philadelphia Eagles quarterbacks coach Doug Pederson, right, checks his watch as he stands with quarterbacks Nick Foles, left, and Jacory Harris during a rookie minicamp at their NFL football training facility on Saturday, May 12, 2012, in Philadelphia. (AP Photo/Alex Brandon)

Philadelphia Eagles running backs Bryce Brown, left, and Chris Polk line up during a rookie minicamp at their football training facility Saturday, May 12, 2012 in Philadelphia. (AP Photo/Alex Brandon)

Arizona Cardinals first-round draft pick Michael Floyd runs drills during a rookies and free agents NFL football mini camp, Friday, May 11, 2012, at the team's facility in Tempe, Ariz. (AP Photo/Matt York)

Wide receiver Rueben Randle, a second-round draft pick, listens to a question in the after morning drills at the New York Giants' NFL football rookie minicamp in East Rutherford, N.J., Friday, May 11, 2012. (AP Photo/Mel Evans)

Safety Will Hill (18) makes a catch during drills at the New York Giants' NFL football rookie minicamp in East Rutherford, N.J., Friday, May 11, 2012. (AP Photo/Mel Evans)

Rookie tight ends Adrien Robinson, left, and Kevin Doty work a drill during the New York Giants' NFL football rookie minicamp in East Rutherford, N.J., Friday, May 11, 2012. (AP Photo/Mel Evans)

Cincinnati Bengals wide receiver Marvin Jones, right, catches a pass in front of defensive back Shaun Prater (38) during NFL football rookie minicamp at Paul Brown Stadium, Friday, May, 11, 2012, in Cincinnati. (AP Photo/Tony Tribble)

Cincinnati Bengals offensive lineman Kevin Zeitler works on a drill during NFL football rookie minicamp at Paul Brown Stadium, Friday, May, 11, 2012, in Cincinnati. (AP Photo/Tony Tribble)

Cincinnati Bengals linebacker Vontaze Burfict looks on during NFL football rookie minicamp at Paul Brown Stadium, Friday, May, 11, 2012, in Cincinnati. (AP Photo/Tony Tribble)

Cleveland Browns running back Trent Richardson (33) catches a pass as running backs coach Gary Browns observes during practice at the NFL football team's rookie camp in Berea, Ohio Friday, May 11, 2012. (AP Photo/Mark Duncan)

Cleveland Browns offensive lineman Michael Schwartz (72) blocks Jeff Shugarts (68) during practice at the NFL football team's rookie camp in Berea, Ohio Friday, May 11, 2012. (AP Photo/Mark Duncan)

Cleveland Browns running back Trent Richardson runs the ball during practice at the NFL football team's rookie camp in Berea, Ohio Friday, May 11, 2012. (AP Photo/Mark Duncan)

Cleveland Browns head coach Pat Shurmur talks with quarterback Brandon Weeden (3) during practice at the NFL football team's rookie camp in Berea, Ohio Friday, May 11, 2012. (AP Photo/Mark Duncan)

Cleveland Browns quarterback Brandon Weeden passes during practice at the NFL football team's rookie camp in Berea, Ohio Friday, May 11, 2012. (AP Photo/Mark Duncan)

Dallas Cowboys' Dorvus Woods, left, and Kyle Wilber (51) participate in drills during NFL football rookie camp at the team's training facility Saturday, May 5, 2012, in Irving, Texas. (AP Photo/Tony Gutierrez)

Pittsburgh Steelers new offensive coordinator Todd Haley, left, watches as seventh round draft pick, wide receiver Toney Clemons (11), out of Colorado, makes a catch during NFL football rookie minicamp at the team's training facility in Pittsburgh on Saturday, May 5, 2012. (AP Photo/Keith Srakocic)

Dallas Cowboys head coach Jason Garrett gives a fist bump to wide receiver Saalim Hakim, right, following drills in a morning workout during NFL football rookie camp at the team's training facility Saturday, May 5, 2012, in Irving, Texas. (AP Photo/Tony Gutierrez)

Pittsburgh Steelers free agent defensive end Jake Stoller (68) out of Yale, goes through a drill as defensive line coach John Mitchell, left, watches during NFL football rookie minicamp at the team's training facility in Pittsburgh on Saturday, May 5, 2012. (AP Photo/Keith Srakocic)

Dallas Cowboys wide receiver Danny Coale (81) lays out to grab a pass as a member of the staff watch and film during a morning workout during NFL football rookie camp at the team's training facility Saturday, May 5, 2012, in Irving, Texas. (AP Photo/Tony Gutierrez)

Pittsburgh Steelers free agent linebackers Brandon Hicks (44) out of Florida and Myron Rolle (47) out of Florida State, warm up with the rest of the draft choices and free agents during NFL football rookie minicamp at the team's training facility in Pittsburgh on Saturday, May 5, 2012. (AP Photo/Keith Srakocic)

Dallas Cowboys' defensive ends Ben Bass, left, and Tyrone Crawford (70) participate in drills during NFL football rookie camp at the team's training facility, Saturday, May 5, 2012, in Irving, Texas. (AP Photo/Tony Gutierrez)

Pittsburgh Steelers seventh-round draft pick tight end David Paulson (48), out of Oregon, makes a catch during NFL football rookie minicamp at the team's training facility in Pittsburgh on Saturday, May 5, 2012. (AP Photo/Keith Srakocic)

Dallas Cowboys' safety Eddie Whitley (38) and cornerback Troy Woolfolk, rear, grab passes during drills in an afternoon workout during NFL football rookie camp at the team's training facility Saturday, May 5, 2012, in Irving, Texas. (AP Photo/Tony Gutierrez)

Indianapolis Colts quarterback Andrew Luck throws during the NFL team's football rookie minicamp in Indianapolis, Friday, May 4, 2012. (AP Photo/Michael Conroy)

Indianapolis Colts quarterback Andrew Luck, right, jokes with tight end Coby Fleener as the two leave the field following a practice during the NFL team's football rookie mini-camp in Indianapolis, Friday, May 4, 2012. Luck and Fleener were teammates at Stanford. (AP Photo/Michael Conroy)

Indianapolis Colts tight ends Dwayne Allen, right, and Coby Fleener runs off the field during the first practice of the NFL team's football rookie minicamp in Indianapolis, Friday, May 4, 2012. (AP Photo/Michael Conroy)

May 4, 2012; Indianapolis, IN, USA; Indianapolis Colts quarterback Andrew Luck (12) throws a pass during minicamp at the Indiana Farm Bureau Football Center. Mandatory Credit: Brian Spurlock-US PRESSWIRE

May 4, 2012; Eden Prairie, MN, USA; Minnesota Vikings tackle Matt Kalil (75) runs drills at rookie camp at Winter Park. Mandatory Credit: Bruce Kluckhohn-US PRESSWIRE

Minnesota Vikings starting quarterback Christian Ponder, back left, laugh with backup quarterback Joe Webb, back right, as the team's first-round football draft pick Matt Kalil, foreground, takes a rest during rookie mini-camp, Friday May 4, 2012, in Eden Prairie, Minn. (AP Photo/Genevieve Ross)

Minnesota Vikings head coach Leslie Frazier watches players drill during rookie football mini-camp, Friday, May 4, 2012, in Eden Prairie, Minn. (AP Photo/Genevieve Ross)

Minnesota Vikings wide receiver Jarius Wright runs the ball in a drill during rookie mini-camp Friday, May 4, 2012, in Eden Prairie, Minn. Wright was an NFL football fourth-round draft pick. (AP Photo/Genevieve Ross)

Minnesota Vikings wide receiver Greg Childs makes a catch during rookie football mini-camp, Friday, May 4, 2012, in Eden Prairie, Minn. Childs was an NFL fourth-round draft pick. (AP Photo/Genevieve Ross)

Jacksonville Jaguars defensive end Andre Branch goes through drills during NFL football rookie minicamp, Friday, May 4, 2012, in Jacksonville, Fla. (AP Photo/John Raoux)

Jacksonville Jaguars kicker Long Ding, of China, kicks a field goal during NFL football rookie minicamp, Friday, May 4, 2012, in Jacksonville, Fla. (AP Photo/John Raoux)

Jacksonville Jaguars wide receiver Justin Blackmon runs a pass pattern during NFL football rookie minicamp, Friday, May 4, 2012, in Jacksonville, Fla. (AP Photo/John Raoux)

Jacksonville Jaguars punter Bryan Anger kicks during a practice session at NFL football rookie minicamp, Friday, May 4, 2012, in Jacksonville, Fla. (AP Photo/John Raoux)

Jacksonville Jaguars kicker Long Ding, of China, arrives at practice for NFL football rookie minicamp, Friday, May 4, 2012, in Jacksonville, Fla. (AP Photo/John Raoux)

Jacksonville Jaguars defensive end Andre Branch goes through drills during NFL football rookie minicamp, Friday, May 4, 2012, in Jacksonville, Fla. (AP Photo/John Raoux)

Miami Dolphins quarterback Ryan Tannenhill carries the ball during NFL football rookie camp, Friday, May 4, 2012, in Davie, Fla. (AP Photo/J Pat Carter)

Miami Dolphins' Cort Dennison (59) chases Marcus Thigpen (34) during NFL football rookie camp, Friday, May 4, 2012, in Davie, Fla. (AP Photo/J Pat Carter)

Miami Dolphins' Jonathan Martin stretches during NFL football rookie camp, Friday, May 4, 2012, in Davie, Fla. (AP Photo/J Pat Carter)

May 4, 2012; Davie, FL, USA; Miami Dolphins running back Lamar Miller (44) during rookie mini-camp practice at the Dolphins training facility. Mandatory Credit: Steve Mitchell-US PRESSWIRE

May 4, 2012; Davie, FL, USA; Miami Dolphins quarterback Ryan Tannehill (17) during rookie mini-camp practice at the Dolphins training facility. Mandatory Credit: Steve Mitchell-US PRESSWIRE

May 4, 2012; Tampa, FL, USA; Tampa Bay Buccaneers safety Mark Barron (24) works out during rookie mini camp at One Buc. Mandatory Credit: Kim Klement-US PRESSWIRE

May 4, 2012; Davie, FL, USA; dMiami Dolphins head coach Joe Philbin during rookie mini-camp practice at the Dolphins training facility. Mandatory Credit: Steve Mitchell-US PRESSWIRE

Miami Dolphins' Jeff Fuller (83) blocks Trenton Hughes (47) during NFL football rookie camp, Friday, May 4, 2012, in Davie, Fla. (AP Photo/J Pat Carter)

Miami Dolphins' Kheeston Randall participates in a drill during NFL football rookie camp, Friday, May 4, 2012, in Davie, Fla. (AP Photo/J Pat Carter)

May 4, 2012; Davie, FL, USA; Miami Dolphins quarterback Ryan Tannehill (17) during rookie mini-camp practice at the Dolphins training facility. Mandatory Credit: Steve Mitchell-US PRESSWIRE

May 4, 2012; Florham Park, NJ, USA; New York Jets running back Terrance Ganaway (42) does drills during minicamp at the Jets Training Center. Mandatory Credit: Jim O'Connor-US PRESSWIRE

May 4, 2012; Florham Park, NJ, USA; New York Jets defensive end Quinton Coples (98) participates in drills during minicamp at the Jets Training Center. Mandatory Credit: Jim O'Connor-US PRESSWIRE

May 4, 2012; Florham Park, NJ, USA; New York Jets wide receiver Stephen Hill (84) catches pass during minicamp at the Jets Training Center. Mandatory Credit: Jim O'Connor-US PRESSWIRE

May 4, 2012; Florham Park, NJ, USA; Quarterback Matt Simms throws during minicamp at the Jets Training Center. Mandatory Credit: Jim O'Connor-US PRESSWIRE

May 4, 2012; Irving, TX, USA; Dallas Cowboys first round draft pick Morris Claiborne (24) smiles during rookie mini-camp at Dallas Cowboys headquarters. Mandatory Credit: Matthew Emmons-US PRESSWIRE

Dallas Cowboys rookies tight end James Hanna (84) and cornerback Morris Claiborne (24) walk off the field after a morning workout at rookie minicamp at the team's football training facility, Friday, May 4, 2012, in Irving, Texas. (AP Photo/Tony Gutierrez)

Dallas Cowboys tight end James Hanna reaches up for a pass during drills at rookie minicamp at the team's training facility Friday, May 4, 2012, in Irving, Texas. (AP Photo/Tony Gutierrez)

Dallas Cowboys secondary coach Jerome Henderson runs Matt Johnson (37) through drills during NFL football rookie camp, Friday, May 4, 2012, in Irving, Texas. (AP Photo/Tony Gutierrez)

Defensive coordinator Rob Ryan, left, jokes with linebacker Orie Lemon (58) during NFL football rookie camp, Friday, May 4, 2012, in Irving, Texas. (AP Photo/Tony Gutierrez)

Dallas Cowboys defensive end Tyrone Crawford (70) runs drills as Isaac Madison (30) watches during NFL football rookie camp, Friday, May 4, 2012, in Irving, Texas. (AP Photo/Tony Gutierrez)

Pittsburgh Steelers free agent wide receiver Connor Dixon, out of Duquesne, catches a pass in a drill during the NFL football team's rookie minicamp at their facility in Pittsburgh on Friday, May 4, 2012. (AP Photo/Keith Srakocic)

Pittsburgh Steelers' first round draft choice David DeCastro (66), an offensive guard from Stanford, warms up with other rookies and free agents during the NFL football team's rookie minicamp at their facility in Pittsburgh on Friday, May 4, 2012. (AP Photo/Keith Srakocic)

Pittsburgh Steelers fourth round draft pick nose tackle Ta'amu Alameda (95) out of Washington, participates in a drill with Steelers defensive Assistant coach Jerry Olsavsky, right, during the NFL football team's rookie minicamp at their facility in Pittsburgh on Friday, May 4, 2012. (AP Photo/Keith Srakocic)

Pittsburgh Steelers head coach Mike Tomlin, left, watches as free agent tight ends Wes Lyons (81) out of West Virginia, and David Paulson (48), out of Oregon, participate in drills during the NFL football team's rookie minicamp at their facility in Pittsburgh on Friday, May 4, 2012. (AP Photo/Keith Srakocic)

Washington Redskins quarterback Robert Griffin III (10) throws in front of quarterback Kirk Cousin (12) during the first day of NFL football training camp at Redskins Park in Ashburn, Va., Sunday, May 6, 2012. (AP Photo/Manuel Balce Ceneta)

Washington Redskins quarterback Robert Griffin III throws during the first day of NFL football training camp at Redskins Park in Ashburn, Va., Sunday, May 6, 2012. (AP Photo/Manuel Balce Ceneta)

Washington Redskins quarterback Robert Griffin III (10) and teammate Devon Brown (16) stretch during the first day of the team's rookie NFL football training camp at Redskins Park in Ashburn, Va., Sunday, May 6, 2012. (AP Photo/Manuel Balce Ceneta)

Washington Redskins quarterback Kirk Cousin (12) stretches with teammates during the first day of the team's rookie NFL football training camp at Redskins Park in Ashburn, Va., Sunday, May 6, 2012. (AP Photo/Manuel Balce Ceneta)

Washington Redskins quarterback Kirk Cousin (12) throws during the first day of the team's rookie NFL football training camp at Redskins Park in Ashburn, Va., Sunday, May 6, 2012. (AP Photo/Manuel Balce Ceneta)

Washington Redskins quarterback Robert Griffin III (10) gestures during the last day of the team's rookie NFL football training camp at Redskins Park in Ashburn, Va., Sunday, May 6, 2012. (AP Photo/Manuel Balce Ceneta)

Washington Redskins quarterback Robert Griffin III (10) works out during the last day of the team's rookie NFL football training camp at Redskins Park in Ashburn, Va., Sunday, May 6, 2012. (AP Photo/Manuel Balce Ceneta)

St. Louis Rams tight end Deangelo Peterson warms up during the NFL football team's rookie minicamp Saturday, May 12, 2012, in St. Louis. (AP Photo/Jeff Roberson)

St. Louis Rams running back Daryl Richardson, left, runs a route as linebacker Alex Hoffman-Ellis defends during the NFL football team's rookie minicamp, Saturday, May 12, 2012, in St. Louis. (AP Photo/Jeff Roberson)

St. Louis Rams tight end Cory Harkey, left, catches a pass next to defensive back Matthew Daniels during NFL football rookie minicamp Saturday, May 12, 2012, at the Rams' training facility in St. Louis. (AP Photo/Jeff Roberson)

Cleveland Browns linebackers James-Micheal Johnson (50) and L.J. Fort, rear, run through a drill during NFL football rookie camp in Berea, Ohio on Sunday, May 13, 2012. (AP Photo/Amy Sancetta)

Cleveland Browns fullback Brad Smelley (47) and running back Trent Richardson (33) watch as running back Adonis Thomas (40) swats bugs away from his helmet during NFL football rookie camp in Berea, Ohio on Sunday, May 13, 2012. (AP Photo/Amy Sancetta)

Cleveland Browns quarterback Brandon Weeden rolls out for pass during NFL football rookie camp in Berea, Ohio on Sunday, May 13, 2012. (AP Photo/Amy Sancetta)

Cleveland Browns wide receiver Travis Benjamin catches a pass during NFL football rookie camp in Berea, Ohio on Sunday, May 13, 2012. (AP Photo/Amy Sancetta)

Philadelphia Eagles running backs Chris Polk runs a drill during an NFL football rookie minicamp at their training facility Sunday, May 13, 2012, in Philadelphia. (AP Photo/Alex Brandon)

Philadelphia Eagles quarterback Nick Foles throws during an NFL football rookie minicamp at their training facility Sunday, May 13, 2012, in Philadelphia. (AP Photo/Alex Brandon)

Philadelphia Eagles running back Bryce Brown rushes during an NFL football rookie minicamp at their training facility on Sunday, May 13, 2012, in Philadelphia. (AP Photo/Alex Brandon)