The winless Bucs made the latest move during their bye week after general manager Mark Dominik contacted every other team in the NFL in an unsuccessful attempt to trade Freeman, a 4,000-yard passer a year ago and the team's career leader with 1,144 completions and 80 touchdowns.
Coach Greg Schiano benched Freeman after the 25-year-old completed just 45.7 percent of his passes and posted a league-low quarterback rating of 59.3 through three games, all losses. Glennon made his first pro start last Sunday,
Scarpe Adidas Saldi, turning the ball over three times during the fourth quarter of a 13-10 loss to Arizona.