tim tebow is expected to sign with the team monday , in time to participate in the entire off-season program , reports say .
he last played an nfl game in 2013 with the new york jets .
since then he 's been a college football commentator on sec network .
tebow won millions of fans for his public displays of his christian faith on and off the field .
his inaccurate passing and lack of pocket presence plagued him in nfl .