Former San Diego Chargers linebacker Junior Seau wears a lei at a halftime ceremony inducting him into the Chargers Ring of Honor during the NFL week 12 football game against the Denver Broncos on Sunday, November 27, 2011 in San Diego, California. The Broncos won the game in overtime 16-13. (AP Photo/Paul Spinelli)

New England Patriots linebacker Junior Seau during the second quarter of a NFL football game against the Tennessee Titans in Foxborough, Mass. Sunday, Oct. 18, 2009. (AP Photo/Winslow Townson)

New England Patriots linebacker Junior Seau (55) during warm-up before an NFL wild-card playoff football game in Foxborough, Mass., Sunday, Jan. 10, 2010. (AP Photo/Elise Amendola)

New England Patriots' Junior Seau walks the sideline during a football game against the Dallas Cowboys, Sunday, Oct. 14, 2007, in Dallas. (AP Photo/Matt Slocum)

New England Patriots' Junior Seau holds the Lamar Hunt trophy after the Patriots beat the San Diego Chargers 21-12 to win the AFC Championship football game in Foxborough, Mass., Sunday, Jan. 20, 2008, and advance to the Super Bowl. (AP Photo/Stephan Savoia)

New England Patriots linebacker Junior Seau answers a question during media day for the Super Bowl XLII football game Tuesday, Jan. 29, 2008, in Glendale, Ariz,. (AP Photo/Julie Jacobson)

New England Patriots linebacker Junior Seau reacts after the first of his two interceptions against the Cleveland Browns in a football game at Gillette Stadium in Foxborough, Mass. (AP Photo/Winslow Townson)

San Diego Chargers linebacker Junior Seau competes in the Pro Bowl Beach Challenge before the NFL Pro Bowl, a 17-3 NFC victory on February 6, 1994, at Aloha Stadium in Honolulu, Hawaii. (National Football League)

Miami Dolphins coach Dave Wannstedt, right, and Junior Seau, the team's new linebacker, pose with Seau's new Dolphins jersey at a news conference, Wednesday, April 16, 2003, in Davie, Fla. Seau joined the Dolphins on Wednesday after passing a physical, completing a long-anticipated trade with the San Diego Chargers. (AP Photo/J.Pat Carter)

Linebacker Junior Seau #55 of the Miami Dolphins on the sideline against the Denver Broncos on September 11, 2005 at Dolphins Stadium in Miami, Florida. The Dolphins defeated the Broncos 34-10. (AP Photo/David Drapkin)

San Diego Charger Junior Seau, sporting a new bright colored hairdo, gets a break on the Chargers' bench Sunday Oct. 17, 1999 from his role as leader of the of one of the NFL's stingiest defenses. The Charger defense, which is number one against the run and has not allowed a 100 yard rusher in 24 games, has bailed out a struggling offense to attain first place in the AFC West. (AP Photo/Denis Poroy)

San Diego Chargers' Junior Seau celebrates after breaking up a last-minute fourth-quarter pass against the Kansas City Chiefs during the Chargers 21-14 victory, Sunday, Oct. 3, 1999, in San Diego. (AP Photo/Lenny Ignelzi)

Junior Seau #55 of the San Diego Chargers calls for the crowd to get loud against the Kansas City Chiefs on Nov. 4, 2001 during an NFL football game in San Diego. The Chiefs won 25-20. (AP Photo/G. Newman Lowrance) Junior Seau

San Diego Chargers linebacker Junior Seau walks through the smoke during player introductions prior to an NFL football game against the San Francisco 49ers on August 8, 1998 in San Diego. The Chargers won 27-21. (AP Photo/G. Newman Lowrance)

San Diego Chargers linebacker Junior Seau #55 during a game circa 1994. (Four Seam Images via AP Images)

San Diego Chargers linebacker Junior Seau (55) sets into position during a NFL football game against the Phoenix Cardinals on August 21, 1993 in San Diego. The Chargers won the game 10-3.(AP Photo/Paul Jasienski)

San Diego Chargers linebacker Junior Seau (55) during an NFL game against the Kansas City Chiefs on October 9, 1994, at Qualcomm Stadium in San Diego, California. The Chargers defeated the Chiefs 20-6. (AP Photo/Kevin Terrell)

Pittsburgh Steelers Jonathan Hayes, left, (85) embraces San Diego chargers Junior Seau after the Chargers defeated the Steelers 17-13 in their AFC Championship game Sunday, Jan. 15, 1995, in Pittsburgh's Three Rivers Stadium. (AP Photo/Gene J. Puskar)

San Diego Chargers linebacker Junior Seau pursues Kansas City Chiefs running back Kimble Anders during an NFL football game on November 24, 1996 in Kansas City, Missouri. The Chargers defeated the Chiefs 28-14. (AP Photo/G. Newman Lowrance)

San Diego Chargers linebacker Junior Seau #55 in the backfield during a game circa 1994. (Four Seam Images via AP Images)

San Diego Chargers Junior Seau (55) during an NFL football game against the Kansas City Chiefs at Arrowhead Stadium on September 20,1998 in Kansas City, Missouri. The Chiefs won 23-7. (AP Photo/David Stluka)

San Diego Chargers linebacker Junior Seau (55) pursues a runner during an NFL game against the Kansas City Chiefs, Sunday, Nov. 22, 1998 in San Diego. The Chargers won the game, 38 to 37. (AP Photo/Greg Trott)

San Diego Chargers' Junior Seau lets out a scream after catching a 37-yard touchdown pass in the second quarter against the Kansas City Chiefs on Friday, Sept. 3, 1999, in San Diego. It was Seau's first attempt at playing offense in his career. (AP Photo/Denis Poroy)

San Diego Chargers linebacker Junior Seau (55) calls a play during an NFL game against the Oakland Raiders, Sunday, Nov. 14, 1999 in Oakland. The Raiders won the game, 28-9. (AP Photo/Greg Trott)