Allen joins the Bucs after spending the past four seasons with the reigning Super Bowl champions.
Allen entered the league as a seventh-round draft pick of the Eagles in 2014. The 6-foot-3, 327-pound tackle appeared in 63 games, with eight starts, and two sacks and 10 tackles for losses over four seasons in Philadelphia.
The Eagles led the league in run defense in 2017, limiting opponents to 79.2 yards per game. The Bucs ranked 23rd against run, yielding 117.5 yards per game.
Source: Fox Sports