The Lions released Ayers on Tuesday.
Ayers signed with Tampa Bay on Monday, Adam Schefter of ESPN reports.
Ayers (shoulder) was released by the Buccaneers on Saturday, Field Yates of ESPN reports.
Ayers (shoulder) is listed as inactive for Sunday's game against the Saints, Scott Smith of the Buccaneers' official site reports.
Ayers (shoulder) was limited in Wednesday's practice.
Ayers (shoulder) has been ruled out for Sunday's game against the Panthers, Jenna Laine of ESPN.com reports.
Ayers failed to return to Monday's 24-21 loss to the Falcons after suffering a stinger in his neck/left shoulder, FloridaFootballInsiders.com reports. He finished the contest with one tackle and a forced fumble.
Ayers is considered questionable to return to Monday's game versus the Falcons due to a neck injury.
Ayers (concussion) posted two solo tackles -- one for loss -- in Sunday's 24-21 loss to the Lions.
Ayers (concussion) was a full participant in practice Wednesday, Jenna Laine of ESPN.com reports.