Bucs acquired OG Rishaw Johnson from the Chiefs in exchange for S Kelcie McCray.
Bucs signed G R.J. Mattes.
The Bucs have used "12" personnel on 32 percent of their preseason snaps, well above the NFL average of 21 percent.
Bucs DL Da'Quan Bowers is in danger of getting cut.
Bucs CB Mike Jenkins will miss this weekend's third preseason game with a hamstring injury.
Alterraun Verner (hamstring) is expected to make his preseason debut on Saturday against the Bills.
Mike James sustained a shoulder injury in Saturday's preseason game against the Dolphins.
Coach Lovie Smith said Tim Wright "hasn't played as well as he should be playing."
Mike Evans caught two passes for 52 yards in Tampa Bay's second preseason game against the Dolphins on Saturday.
Doug Martin rushed for 24 yards on six carries in the Bucs' second preseason game Saturday night, adding a four-yard reception.
Josh McCown completed 5-of-7 passes for 46 yards and a touchdown in Saturday night's preseason game against the Dolphins.
Buccaneers rookie RB Charles Sims underwent surgery to repair a torn ligament in his right ankle Saturday.
The Tampa Bay Times considers rookie Charles Sims (ankle surgery) unlikely to be available before Week 13.
Bucs rookie RB Charles Sims will miss 12-14 weeks after undergoing surgery on his right ankle.
Charles Sims suffered a right ankle injury in Tuesday's practice, and was spotted in a walking boot on Thursday.