With Adrian Clayborn sidelined since a Week Three injury, Gerald McCoy and Michael Bennett have struggled to pick up the pass-rushing slack.
Buccaneers DLE Michael Bennett is well on his way to a career year after recording three sacks in the first three games.
The Buccaneers signed DE Jeff Charleston and placed DE Adrian Clayborn on injured reserve.
Buccaneers second-year DE Adrian Clayborn will miss the rest of the season with a knee injury.
Effort has been an issue for the Buccaneers, but Adrian Clayborn's motor is running at a high level.
Mike Martz needs to make sure OTs J'Marcus Webb and Lance Louis get plenty of help against Tampa Bay's pass rush.
Here's a look at a key matchup for Sunday's Buccaneers-Vikings game.
There is tempered excitement at Bucs' training camp about the team's highly touted young group of defensive linemen, including DT Gerald McCoy.
The Buccaneers became the first team to sign a 2011 first-round draft choice when they agreed to terms with DE Adrian Clayborn on Wednesday morning.
The Buccaneers may have given themselves an initial boost with their second-round pick, but there are concerns that the gains will not be long lasting.