Tim Tebow signs with Jacksonville Jaguars as tight end

JACKSONVILLE, Fla. -- Tim Tebow's attempted NFL comeback has officially begun.

The 2007 Heisman Trophy-winning quarterback signed his contract with the Jacksonville Jaguars on Thursday as a tight end, reuniting him with Urban Meyer, his former head coach at Florida.

Tebow signed a one-year deal and will be on the field Thursday for the team's offseason program as he sets out to compete for a roster spot, a source told ESPN's Adam Schefter.

"I want to thank the Jaguars for the opportunity to compete and earn the chance to be part of this team," Tebow said in a statement. "I know it will be a challenge, but it is a challenge I embrace. I am dedicated to taking the direction of our coaching staff…