The Broncos signed Smith on Thursday, Jordan Schultz of BleacherReport.com reports.
Smith finished 2023 with 19 tackles (13 solo), one forced fumble, one fumble recovery and one pass defense in 11 appearances.
Buffalo released Smith on Monday, Ian Rapoport of NFL Network reports.
Smith will be suspended for the first six games of the 2022 season for a violation of the NFL's policy against performance-enhancing substances, Ian Rapoport of NFL Network reports.
Smith signed a two-year contract worth up to $3 million Saturday, Ian Rapoport of NFL Network reports.
Smith was promoted to the Bills' active roster from the practice squad Tuesday, Maddy Glab of the team's official site reports.
Smith was moved back to Buffalo's practice squad after suiting up during Sunday's 18-10 win against the Jets, per the NFL's official transaction log.
Smith was elevated from the practice squad Saturday, Maddy Glab of the Bills' official site reports.
The Bills are expected to cut Smith on Saturday, according to Ian Rapoport of NFL Network per a source.
Smith was traded to Buffalo from Carolina on Monday in exchange for a conditional pick in 2023, Chris Brown of the Bills' official site reports.