Continuing to bring in depth along the defensive front, the Bills have added DeShawn Williams. The 31-year-old signed a one-year deal on Thursday, per a team announcement. 
Williams spent his rookie season in Cincinnati in 2016, but his next regular season action did not come until 2020 with the Broncos. The former UDFA remained in Denver for three years, starting 34 of his 46 games with the team. His final Broncos campaign produced a career-high 4.5 sacks, and it resulted in a one-year Panthers contract.
In Carolina, Williams started 10 of 16 games and logged a healthy 44% snap share while playing alongside Derrick Brown. The Clemson product recorded 33 tackles and one sack, earning a PFF grade of 50 along the way. While his sack total dropped, his 18 QB pressures (per PFF) marked a personal high and fell in line with those of his previous campaigns. Williams will look to replicate that rotational production in Buffalo.
The Bills entered free agency with a number of question marks along the defensive interior. DaQuan Jones was quickly retained on a two-year deal, however, and Buffalo has since added Austin Johnson. Williams will look to carve out a role alongside that pair and Ed Oliver, who is on the books through 2027 via the lucrative extension he inked last offseason.
Buffalo entered Thursday with just under $9MM in cap space, a figure which will be lowered to an extent with the Johnson and Williams deals now official. Those two will give the Bills experienced depth along the D-line, though, as the team transitions to new contributors in a number of areas on that side of the ball.