Ryan announced his retirement from the NFL via his personal Twitter/X account Tuesday.
Ryan (groin) did not participate at practice Tuesday, Nick Wagoner of ESPN.com reports.
Ryan signed with the 49ers on Tuesday, Ian Rapoport of NFL Network reports.
Ryan (knee) is active for Monday's wild-card matchup against Dallas, Scott Smith of the Buccaneers' official site reports.
Ryan (knee) is listed as questionable for Monday's game versus Dallas.
Ryan (knee) has been ruled out for Week 18 against Atlanta, Greg Auman of Fox Sports reports.
Ryan tallied eight tackles (five solo) against Arizona in Sunday's 19-16 victory.
Ryan recorded nine tackles (eight solo) in Sunday's 35-7 loss to the 49ers.
Ryan (foot) is active Monday against the Saints, Scott Smith of the team's official site reports.
Tampa Bay activated Ryan (foot) from its injured reserve list ahead of Monday's game versus New Orleans, Adam Schefter of ESPN reports.