Clapp was signed to the Bills' active roster Thursday, Chris Jenkins of the team's official site reports.
The Bills signed Clapp (knee) to a one-year deal Friday.
The Chargers re-signed Clapp on Thursday, Field Yates of ESPN reports.
Clapp signed a contract with the Chargers on Tuesday, Field Yates of ESPN reports.
Clapp (undisclosed) was activated from injured reserve Saturday, Nick Underhill of NewOrleans.Football reports.
Clapp (undisclosed) was designated to return from injured reserve Wednesday, Nick Underhill of NewOrleans.Football reports.
The Saints placed Clapp (undisclosed) on injured reserve Monday, Amie Just of NOLA.com reports.
Clapp signed with the Saints on Tuesday, Amie Just of NOLA.com reports.
Clapp tested positive for COVID-19 and won't play in Sunday's divisional-round game against the Buccaneers, Tom Pelissero of NFL Network reports.
Clapp (undisclosed) was listed as DNP on Friday.