Dallas Cowboys' Akwasi Owusu-Ansah, center, returns a kickoff during the team's NFL football training camp Wednesday, Aug. 4, 2010, in San Antonio. (AP Photo/Eric Gay)

Dallas Cowboys' Jason Witten catches a pass during the team's NFL football training camp Wednesday, Aug. 4, 2010, in San Antonio. (AP Photo/Eric Gay)

In this Tuesday, Aug. 3, 2010, photo, Dallas Cowboys' Mike Jenkins, right, defends Roy Williams, left, during the team's NFL football training camp in San Antonio. Coach Wade Phillips said Jenkins has emerged as "a shutdown-type corner." (AP Photo/Eric Gay)

Dallas Cowboys' Jon Kitna (3) and Tony Romo (9) throw during the team's NFL football training camp, Wednesday, Aug. 4, 2010, in San Antonio. (AP Photo/Eric Gay)

Dallas Cowboys' Jesse Holley, right, runs past defender Gerald Sensabaugh during the NFL football team's training camp, Wednesday, Aug. 4, 2010, in San Antonio. (AP Photo/Eric Gay)

Dallas Cowboys' Keith Brooking stretches during the team's NFL football training camp, Wednesday, Aug. 4, 2010, in San Antonio. (AP Photo/Eric Gay)

Dallas Cowboys rookies, from left, San Young, Will Barker, Phil Costa, and Mike Tepper go through drills during the team's NFL football training camp, Thursday, Aug. 5, 2010, in San Antonio. Each received a special hair cut from their veteran lineman teammates as part of a rookie ritual. (AP Photo/Eric Gay)

Dallas Cowboys' Tony Romo throws a pass during the team's NFL football training camp, Tuesday, Aug. 3, 2010, in San Antonio. (AP Photo/Eric Gay)

Dallas Cowboys kicker David Buehler practices his kickoffs during the team's NFL football training camp, Monday, Aug. 2, 2010, in San Antonio. (AP Photo/Eric Gay)

Dallas Cowboys' Tony Romo, center, goes through drills with teammates Stephen McGee, left, and Jon Kitna, right, during the team's NFL football training camp, Monday, Aug. 2, 2010, in San Antonio. (AP Photo/Eric Gay)

Dallas Cowboys' Marion Barber, left, runs around defender Victor Butler (57) during the team's NFL football training camp, Tuesday, Aug. 3, 2010, in San Antonio. (AP Photo/Eric Gay)

Dallas Cowboys' Sean Lee works with heavy ropes during the team's NFL football training camp, Tuesday, Aug. 3, 2010, in San Antonio. (AP Photo/Eric Gay)

Dallas Cowboys wide receiver Dez Bryant (88) cuts underneath Dallas Cowboys safety Gerald Sensabaugh (43) as he runs a route during practice at Cowboys training camp, Tuesday, July 27, 2010 in San Antonio. (AP Photo/Tony Gutierrez)

Dallas Cowboys cornerback Terence Newman (41) covers wide receiver Manuel Johnson (15) as they run plays at practice at NFL football training camp Saturday, July 31, 2010, in San Antonio. Newman is the self-proclaimed "old man of the group" in the Dallas Cowboys' secondary. (AP Photo/Tony Gutierrez)

Dallas Cowboys quarterback Tony Romo (9) throws under pressure from defensive end Stephen Bowen (72) as they run plays at morning practice at Cowboys NFL football training camp Saturday, July 31, 2010, in San Antonio. (AP Photo/Tony Gutierrez)

Dallas Cowboys cornerback Cletis Gordon, left, blocks a pass intended for wide receiver Miles Austin (19) during an afternoon practice at Cowboys NFL football training camp Saturday, July 31, 2010, in San Antonio. (AP Photo/Tony Gutierrez)

Dallas Cowboys linebacker Leon Williams (52) holds running back Lonyae Miller (35) by his shirt as they run plays at morning practice at Cowboys NFL football training camp Saturday, July 31, 2010, in San Antonio. (AP Photo/Tony Gutierrez)

Dallas Cowboys quarterback Tony Romo (9) prepares to pass during an afternoon practice at Cowboys NFL football training camp, Tuesday, July 27, 2010 in San Antonio. (AP Photo/Tony Gutierrez)

Dallas Cowboys tight end Jason Witten, left, blocks tight end John Phillips, right, as they participate in drills during an afternoon practice at football training camp Tuesday, July 27, 2010, in San Antonio. (AP Photo/Tony Gutierrez)

Dallas Cowboys tight end John Phillips, left, reaches out to make a grab against linebacker Leon Williams (52) during a morning practice at football training camp, Tuesday, July 27, 2010 in San Antonio. (AP Photo/Tony Gutierrez)

Dallas Cowboys quarterback Tony Romo looks for an open receiver during a morning practice at football training camp, Tuesday, July 27, 2010, in San Antonio. (AP Photo/Tony Gutierrez)

Dallas Cowboys tight end Jason Witten, right, escapes the grasp of cornerback Jamar Wall, left, after making a reception during a morning practice at football training camp, Tuesday, July 27, 2010 in San Antonio. (AP Photo/Tony Gutierrez)

Dallas Cowboys linebacker Bradie James, front, participates in drills as teammates look on during football training camp, Tuesday, July 27, 2010, in San Antonio. (AP Photo/Tony Gutierrez)

Dallas Cowboys coach Wade Phillips, right, guards against safety Danny McCray (40) as they run defensive drills at Cowboys training camp, Tuesday, July 27, 2010 in San Antonio. (AP Photo/Tony Gutierrez)

Dallas Cowboys quarterback Tony Romo (9) pours water over his head following a morning practice at Cowboys training camp, Sunday, July 25, 2010, in San Antonio, Texas. (AP Photo/Tony Gutierrez)

Dallas Cowboys quarterback Tony Romo (9) prepares to throw during drills on the opening day of Cowboys training camp, Saturday, July 24, 2010, in San Antonio, Texas. (AP Photo/Tony Gutierrez)

Dallas Cowboys wide receiver Dez Bryant (88) smiles after making a catch before the start of their first practice on the opening day of football training camp, Saturday, July 24, 2010, in San Antonio, Texas. (AP Photo/Tony Gutierrez)

Dallas Cowboys wide receiver Dez Bryant (88) jokes with a teammate before the start of the teams first practice on the opening day of football training camp, Saturday, July 24, 2010 in San Antonio, Texas. (AP Photo/Tony Gutierrez)

Dallas Cowboys coach Wade Phillips responds to a question during a news conference following practice on the opening day of Cowboys NFL football training camp, Saturday, July 24, 2010, in San Antonio, Texas. (AP Photo/Tony Gutierrez)

Dallas Cowboys wide receiver Roy E. Williams, left, signs the jersey of Cynthia Getner Garza, of Harlingen, Texas, following a practice on the opening day of Cowboys NFL football training camp, Saturday, July 24, 2010, in San Antonio, Texas. (AP Photo/Tony Gutierrez)

Dallas Cowboys tight end Jason Witten (82) runs out of the pack after running a play at practice on the opening day of Cowboys training camp, Saturday, July 24, 2010, in San Antonio, Texas. (AP Photo/Tony Gutierrez)

Dallas Cowboys fans cheer and train their cameras on quarterback Tony Romo (9) as he runs onto the field for practice on the opening day of Cowboys training camp, Saturday, July 24, 2010, in San Antonio, Texas. (AP Photo/Tony Gutierrez)

Dallas Cowboys quarterback Tony Romo (9) tosses a warm up pass to wide receiver Dez Bryant (88) at the start of practice on the opening day of Cowboys training camp, Saturday, July 24, 2010, in San Antonio, Texas. (AP Photo/Tony Gutierrez)

Dallas Cowboys wide receiver Miles Austin (19) reaches out to grab a pass during drills at practice on the opening day of Cowboys training camp, Saturday, July 24, 2010, in San Antonio, Texas. (AP Photo/Tony Gutierrez)

Dallas Cowboys wide receiver Dez Bryant leans back to catch a pass during drills at practice on the opening day of Cowboys NFL football training camp, Saturday, July 24, 2010, in San Antonio, Texas. (AP Photo/Tony Gutierrez)

Dallas Cowboys wide receiver Dez Bryant (88) reaches up to grab nine-month-old Jason James Flores Jr. of Karnes City, Texas, as he prepares to autograph the back of his Cowboys outfit following practice on the opening day of Cowboys training camp, Saturday, July 24, 2010, in San Antonio, Texas. Bryant signed the outfit at the request of Flores' father Jason. (AP Photo/Tony Gutierrez)

Dallas Cowboys wide receiver Dez Bryant gestures as smiles as he poses for a fans photograph prior to the start of practice on the opening day of Cowboys training camp, Saturday, July 24, 2010, in San Antonio, Texas. (AP Photo/Tony Gutierrez)

Dallas Cowboys quarterback Tony Romo (9) talks to wide receiver Dez Bryant (88) as they run drills at practice on the opening day of Cowboys training camp, Saturday, July 24, 2010, in San Antonio, Texas. (AP Photo/Tony Gutierrez)

Dallas Cowboys wide receiver Dez Bryant smiles as he poses for a photograph by a fan as others ask for autographs following a practice on the opening day of Cowboys training camp, Saturday, July 24, 2010, in San Antonio, Texas. (AP Photo/Tony Gutierrez)

A Dallas Cowboys fan holds a poster of quarterback Tony Romo (9) while waiting for an opportunity for autographs following a morning practice at the Cowboys NFL football training camp, Sunday, July 25, 2010, in San Antonio, Texas. (AP Photo/Tony Gutierrez)

Dallas Cowboys quarterback Tony Romo (9) and backup quarterback Stephen McGee, left, prepare to pass during drills in a morning practice at Cowboys NFL football training camp, Sunday, July 25, 2010, in San Antonio, Texas. (AP Photo/Tony Gutierrez)

Dallas Cowboys wide receiver Miles Austin (19) signs autographs for fans following a morning practice at Cowboys NFL football training camp, Sunday, July 25, 2010, in San Antonio, Texas. (AP Photo/Tony Gutierrez)

Dallas Cowboys wide receiver Miles Austin (19) reacts after making a catch in morning drills at Cowboys NFL football training camp, Sunday, July 25, 2010, in San Antonio, Texas. (AP Photo/Tony Gutierrez)

Dallas Cowboys rookie wide receiver Dez Bryant, left, leans out to make a grab in front of the defensive coverage of cornerback Mike Jenkins (21) during a morning practice at Cowboys NFL football training camp on Sunday, July 25, 2010, in San Antonio, Texas. (AP Photo/Tony Gutierrez)

Dallas Cowboys tight end Martellus Bennett walks along the sideline during a team morning practice at Cowboys NFL football training camp, Sunday, July 25, 2010, in San Antonio, Texas. Bennett, who has not practiced due to a sprained ankle he suffered before training camp, is expected to participate in the next few days. (AP Photo/Tony Gutierrez)

Dallas Cowboys wide receiver Dez Bryant, front, goes low to make a grab on a pass during drills as offensive coordinator Jason Garret, rear, looks on during a morning practice at Cowboys training camp, Sunday, July 25, 2010, in San Antonio, Texas. (AP Photo/Tony Gutierrez)

Dallas Cowboys running back Felix Jones (28) evades tackles by safety Danny McCray (40) and linebacker Brandon Sharpe, right, during a morning practice at Cowboys NFL football training camp, Sunday, July 25, 2010, in San Antonio, Texas. (AP Photo/Tony Gutierrez)

Dallas Cowboys cornerback Terence Newman (41) taunts guard Leonard Davis (70) as he mimics Davis walking onto the field for an afternoon practice at Cowboys training camp, Sunday, July 25, 2010, in San Antonio, Texas. (AP Photo/Tony Gutierrez)

Dallas Cowboys fans, right, press against a field goal net as they seek autographs from wide receiver Roy E. Williams, left, following an afternoon practice at Cowboys NFL football training camp, Sunday, July 25, 2010, in San Antonio, Texas. (AP Photo/Tony Gutierrez)

Dallas Cowboys wide receiver Miles Austin makes a catch during practice at the NFL football team's training camp Sunday, July 25, 2010, in San Antonio. Austin has gone from relative unknown to being a Pro Bowl receiver in less than a year. He is on the latest Sports Illustrated cover and has been linked to Kim Kardashian. (AP Photo/Tony Gutierrez)

Dallas Cowboys running back Marion Barber (24) participates in drills with Herb Donaldson (31) and Deon Anderson (34) during an afternoon practice at Cowboys training camp, Sunday, July 25, 2010, in San Antonio, Texas. (AP Photo/Tony Gutierrez)

Dallas Cowboys fans seek quarterback Tony Romo's, left, attention in hopes of an autograph following an afternoon practice at Cowboys NFL football training camp, Sunday, July 25, 2010, in San Antonio, Texas. (AP Photo/Tony Gutierrez)

Dallas Cowboys wide receivers coach Ray Sherman, left, gives instructions as Dez Bryant looks on at the action during a morning practice at Cowboys training camp Wednesday, July 28, 2010, in San Antonio. (AP Photo/Tony Gutierrez)

Dallas Cowboys wide receiver Dez Bryant (88) makes a throw to a teammate at Cowboys training camp Wednesday, July 28, 2010, in San Antonio, Tex. (AP Photo/Tony Gutierrez)

Dallas Cowboys coach Wade Phillips, left, and offensive coordinator Jason Garrett, right, look on at the action during a morning practice at Cowboys training camp Wednesday, July 28, 2010, in San Antonio, . (AP Photo/Tony Gutierrez)

Dallas Cowboys linebacker Anthony Spencer looks up during drills at the NFL football team's training camp Wednesday, July 28, 2010, in San Antonio. While DeMarcus Ware still dominated last year on his side as the primary pass rusher with more than 10 sacks for the fourth consecutive season, Spencer emerged as a force on the other when finally given the chance a year ago to be a full-time starter. He was nearly as unstoppable as Ware once he settled into his expanded role. (AP Photo/Tony Gutierrez)

Dallas Cowboys linebacker Anthony Spencer, right, drives against offensive tackle Marc Colombo (75) during drills at football training camp, Wednesday, July 28, 2010, in San Antonio. Coach Wade Phillips was raving about the standout play by one of his outside linebackers. Then the Cowboys coach compared that player to Hall of Famer to-be Rickey Jackson. Phillips wasn't discussing sacks leader DeMarcus Ware. The head coach-defensive coordinator instead was talking about Spencer. (AP Photo/Tony Gutierrez)

Dallas Cowboys linebacker Anthony Spencer works during drills at football camp on Wednesday July 28, 2010, in San Antonio. Coach Wade Phillips was raving about the standout play by one of his outside linebackers. Then the Cowboys coach compared that player to Hall of Famer to-be Rickey Jackson. Phillips wasn't discussing sacks leader DeMarcus Ware. The head coach-defensive coordinator instead was talking about Spencer. (AP Photo/Tony Gutierrez)

Dallas Cowboys center Andre Gurode, center front, runs drills as offensive line coach Hudson Houck, right, and guard Travis Bright (60) watch during the NFL football team's training camp Wednesday, July 28, 2010, in San Antonio. (AP Photo/Tony Gutierrez)

Dallas Cowboys linebacker DeMarcus Ware (94) participates in drills at Cowboys training camp, Sunday, July 25, 2010, in San Antonio, Texas. Pro Bowl linebacker Ware says he's about 10 pounds lighter, feeling a lot stronger and faster. (AP Photo/Tony Gutierrez)

Trainers arrive to assist as Dallas Cowboys wide receiver Dez Bryant reacts while grabbing his right ankle following a play at afternoon practice at Cowboys training camp Friday, July 30, 2010, in San Antonio. Bryant, who was attempting to grab a pass, got tangled up with cornerback Orlando Scandrick. (AP Photo/Tony Gutierrez)

Trainers arrive to assist as Dallas Cowboys wide receiver Dez Bryant reacts while grabbing his right ankle following a play at afternoon practice at Cowboys training camp Friday, July 30, 2010, in San Antonio. Bryant, who was attempting to grab a pass, got tangled up with cornerback Orlando Scandrick. (AP Photo/Tony Gutierrez)

Dallas Cowboys wide receiver Dez Bryant is assisted off the field by trainers after injuring his right ankel area during an afternoon practice at Cowboys training camp Friday, July 30, 2010, in San Antonio. The injury was suffered when Bryant, who was trying to reach a pass intended for him, got tangled with cornerback Orlando Scandrick. (AP Photo/Tony Gutierrez)

Dallas Cowboys strength and conditioning coach Joe Juraszek, rear, motivates quarterback Tony Romo, front, as he works on the heavy ropes following an afternoon practice at Cowboys training camp Friday, July 30, 2010, in San Antonio. (AP Photo/Tony Gutierrez)

Dallas Cowboys tight end Martellus Bennett (80) reaches out to grab a pass during an afternoon practice at Cowboys training camp Friday, July 30, 2010, in San Antonio. Bennett, who injured an ankle before reporting to training camp, practiced with the team for the first time Friday. (AP Photo/Tony Gutierrez)

Dallas Cowboys quarterback Tony Romo, front, and backup quarterback Jon Kitna, rear, work on strength and conditioning exercises following an afternoon practice at Cowboys training camp Friday, July 30, 2010, in San Antonio. (AP Photo/Tony Gutierrez)

Dallas Cowboys defensive end Igor Olshansky (99) and guard Kyle Kosier, right, participate in drills during an afternoon practice at Cowboys training camp Friday, July 30, 2010, in San Antonio. (AP Photo/Tony Gutierrez)

Dallas Cowboys safety Danny McCray, left, is stiff-armed by running back Tashard Choice, right, as they participate in an afternoon practice at NFL football training camp Friday, July 30, 2010, in San Antonio. (AP Photo/Tony Gutierrez)

Dallas Cowboys quarterback Tony Romo (9) smiles as he talks with quarterback coach Wade Wilson, right in ballcap, during an afternoon practice at Cowboys training camp Friday, July 30, 2010, in San Antonio. (AP Photo/Tony Gutierrez)

Dallas Cowboys quarterback Tony Romo (9) prepares to pass during an afternoon practice at Cowboys training camp Friday, July 30, 2010, in San Antonio. (AP Photo/Tony Gutierrez)

Dallas Cowboys' Terence Newman (41) breaks up a pass intended for receiver Kevin Ogletree, right, during the team's NFL football training camp Sunday, Aug. 1, 2010, in San Antonio. (AP Photo/Eric Gay)

Dallas Cowboys rookie Dez Bryant wears a boot over his injured right ankle as he signs autographs following the team's NFL football training camp, Sunday, Aug. 1, 2010, in San Antonio. (AP Photo/Eric Gay)

Dallas Cowboys rookie Dez Bryant wears a boot over his injured right ankle during the NFL football team's training camp, Sunday, Aug. 1, 2010, in San Antonio. (AP Photo/Eric Gay)

Dallas Cowboys' Marc Colombo, left, goes through a drill during the team's NFL football training camp Sunday, Aug. 1, 2010 in San Antonio. (AP Photo/Eric Gay)

Fans with footballs, markers and cameras wait for autographs, next to a poster of Dallas Cowboys quarterback Tony Romo during the team's NFL football training camp, Sunday, Aug. 1, 2010, in San Antonio. (AP Photo/Eric Gay)

Candice Crawford, left, and Kim Kardashian, right, attend the Dallas Cowboys' NFL football training camp, Sunday, Aug. 1, 2010, in San Antonio. (AP Photo/Eric Gay)

Dallas Cowboys owner Jerry Jones keeps watch over the team's NFL football training camp, Sunday, Aug. 1, 2010, in San Antonio. (AP Photo/Eric Gay)

Dallas Cowboys owner Jerry Jones keeps watch over the team's NFL football training camp, Sunday, Aug. 1, 2010, in San Antonio. (AP Photo/Eric Gay)