SEC Network analyst Tim Tebow speaks on air before the Goodyear Cotton Bowl on December 31, 2015, in Arlington, Texas. The 2007 Heisman Trophy winner and former NFL quarterback has been a popular and polarizing figure since his college days at the University of Florida.
Tebow throws a pass for the Philadelphia Eagles during a 2015 preseason game. The team released him later that year. The Eagles were the fourth NFL team for Tebow.
Tebow prays with his New England Patriots teammates and members of the New York Giants after a preseason game in Foxborough, Massachusetts, in 2013. Tebow has always been outspoken about his Christian faith.
Tebow practices with the Patriots in 2013. He didn't make the team's final roster for the regular season.
Tebow was released by the New York Jets, his second NFL team, in 2013. He spent one season with the team but didn't play much.
Tebow warms up before the Jets' game against Tennessee in December 2012.
Tebow and actress Jessica Biel present an award during the 2012 ESPYs in Los Angeles.
Tebow, playing for the Denver Broncos, runs the ball against the Patriots during a playoff game in January 2012. Tebow spent two seasons with the Broncos, who drafted him with a first-round pick in 2010.
Tebow celebrates after running for a touchdown during the Broncos' playoff win against Pittsburgh in January 2012. The Broncos defeated the Steelers 29-23 in overtime.
During the playoff win against Pittsburgh, Tebow scrambles before his game-winning touchdown pass to Demaryius Thomas.
Tebow prays during the final minute of a game in November 2011. The pose, which often came after touchdowns, came to be known as "Tebowing."
Tebow celebrates his first NFL touchdown run in October 2010.
Tebow hugs Florida head coach Urban Meyer during the Sugar Bowl in January 2010. In what was Tebow's last college game, he threw for a career-high 482 yards and ran for another 51 yards. Florida defeated Cincinnati 51-24.
President Barack Obama shakes hands with Tebow at the White House during an April 2009 ceremony that honored the Gators for their national championship.
Tebow celebrates with teammate Carl Johnson after throwing a touchdown during the 2009 BCS National Championship game against Oklahoma. The Gators won 24-14.
Tebow scores a touchdown in the 2007 BCS National Championship game. Florida defeated Ohio State 41-14.
Tebow speaks after he was presented with the Heisman Trophy in December 2007. He was the first sophomore to win the Heisman.
Florida fans greet Tebow after the Gators defeated Southern Mississippi in September 2006. Tebow rushed for a touchdown on the first play of his college career.