The Bills on Tuesday promoted safety Shamiel Gary and offensive tackle Michael Ola from their practice squad.
Ola has been through the practice squad/active roster swap several times this season. He has played in 26 career games, starting 19.
Gary has played in six career games, all with the Dolphins. He broke into the league with the Patriots in 2014.
To make room for Gary and Ola, safety James Ihedigbo was placed on the injured-reserve list and linebacker Bryson Albright was released.
