Hairston was placed on the Non-Football Illness list Thursday and has been ruled out for the year, Eric D. Williams of ESPN.com reports.
Hairston was expected to serve as a backup tackle for most of the 2017 season. The team signed offensive lineman Tyler Marz from the Titans' practice squad to take over that role in Hairston's absence.
Offensive lineman Chris Hairston announced via his Instagram that he has signed with the Chargers, per the San Diego Union-Tribune.
Hairston, 25, has started 15 games in the NFL with the Bills. The Chargers are looking for a swing tackle and offensive line coach Joe D'Alessandris has familiarity with him from his time with the Bills.
The three-year veteran has played at both the left and right tackle positions and will provide depth for San Diego along the line.
Offensive tackle Chris Hairston is visiting the Chargers on Thursday, according to the UT San Diego.
Hairston, 25, has started 15 games in the NFL with the Bills. The Chargers are looking for a swing tackle and offensive line coach Joe D'Alessandris has familiarity with him from his time with the Bills.
The three-year veteran has played at both the left and right tackle positions.
The Bills put right tackle Chris Hairston on the reserve/Non-Football Illness list.
There are no stunners in the list of inactives for the Bills on Saturday. They are quarterback E.J. Manuel (knee), linebacker Kourtnei Brown and offensive tackle Chris Hairston (ankle/foot).