Keith Birlem is pictured during his time as a quarterback at San Jose State in 1938. He was named a "Little All-American" that year and went on to play in the NFL for the Chicago Cardinals and Washington Redskins. Birlem was killed in an airplane accident May 7, 1943 near Polebrook, England. (San Jose State University)
** FILE ** In a Sunday, Dec. 30, 2012, file photo, New York Jets quarterback Tim Tebow (15) warms up before of an NFL football game against the Buffalo Bills, in Orchard Park, N.Y. (AP Photo/Gary Wiepert)
FILE - In this Nov. 28, 2010 file photo, Chicago Bears linebacker Brian Urlacher (54) reacts to a play with teammate Lance Briggs (55) during an NFL football game against the Philadelphia Eagles in Chicago. Between the wrist injury last year and the neck and back problems before that, there were all sorts of questions about Urlacher. Teammates, however, insist they had no doubts. Now, Urlacher is up to his old Pro Bowl tricks again for the Bears. (AP Photo/Nam Y. Huh, File)
In this artist drawing provided by the San Francisco 49ers, the proposed 49ers stadium in Santa Clara, Calif. is shown. NFL owners will vote on the sites of the 50th and 51st Super Bowls on Tuesday, May 21, 2013 at their spring meetings. The San Francisco area, where the new stadium is being built in Santa Clara, and South Florida are competing for the the 50th edition, to be held in February 2016. The loser in that bidding will go against Houston to host the 51st game the following year.(AP Photo/San Francisco 49ers)
Redskins quarterback Robert Griffin III on the red carpet at the NFL Honors show in New Orleans on Feb. 2, 2012. It was his first public appearance since surgery on two knee ligaments 24 days earlier. Rich Campbell / Washington Times.
This arrest photo made available May 20, 2013, by the Broward County Sheriff's Office shows former NFL wide receiver Chad Johnson, who has been arrested on charges that he violated probation stemming from an altercation with his now ex-wife, TV reality star Evelyn Lozada. (Associated Press/Broward County Sheriff's Office)
This arrest photo made available May 20, 2013, by the Broward County Sheriff's Office shows former NFL wide receiver Chad Johnson, who has been arrested on charges that he violated probation stemming from an altercation with his now ex-wife, TV reality star Evelyn Lozada. (Associated Press/Broward County Sheriff's Office)
In this artist drawing provided by the San Francisco 49ers, the proposed 49ers stadium in Santa Clara, Calif. is shown. NFL owners will vote on the sites of the 50th and 51st Super Bowls on Tuesday, May 21, 2013 at their spring meetings. The San Francisco area, where the new stadium is being built in Santa Clara, and South Florida are competing for the the 50th edition, to be held in February 2016. The loser in that bidding will go against Houston to host the 51st game the following year.(AP Photo/San Francisco 49ers)
In this artist drawing provided by the San Francisco 49ers, the proposed 49ers stadium in Santa Clara, Calif. is shown. NFL owners will vote on the sites of the 50th and 51st Super Bowls on Tuesday, May 21, 2013 at their spring meetings. The San Francisco area, where the new stadium is being built in Santa Clara, and South Florida are competing for the the 50th edition, to be held in February 2016. The loser in that bidding will go against Houston to host the 51st game the following year.(AP Photo/San Francisco 49ers)
