The Bills released Gaines on Friday according to Field Yates, Sal Capaccio of WGR Sports Radio 550 Buffalo reports.

Gaines will opt out of the 2020 season, Chris Brown of the Bills' official site reports.

Gaines is signing with the Bills, Jay Skurski of The Buffalo News reports.

Gaines (abdomen/groin) had a workout with the Texans on Tuesday, Aaron Wilson of the Houston Chronicle reports.

The Bills released Gaines (core muscle/groin) with an injury settlement Sunday, Field Yates of ESPN reports.

Gaines (core muscle/groin) has been placed on injured reserve by the Bills.

Coach Sean McDermott said Tuesday that Gaines (groin) will be out "a few weeks," Marcel Louis-Jacques of ESPN reports.

Gaines will sit out Monday's practice session due to a hip/groin injury, Chris Brown of the Bills' official site reports.

Gaines, who missed time with an undisclosed injury during spring work, was practicing with the top unit during the first day of training camp Thursday, Chris Brown of the Bills' official site reports.

Gaines did not participate in Tuesday's practice due to an undisclosed injury, Mike Rodak of ESPN.com reports.