Lawson agreed to a one-year contract with the Bills on Thursday, Josina Anderson of CBS Sports reports.
Lawson spent the first four seasons of his career with the Bills, and he'll now return to his original team after a pair of one-year stints with the Dolphins and Jets. He appeared in 14 games with the Jets in 2021 and totaled 23 tackles (15 solo), a sack, an interception, two pass defenses and a fumble recovery.