Shavers (knee) was moved to the reserve/PUP list by the Bills on Sunday.
Durant (undisclosed) was placed on injured reserve by the Bills on Sunday with a designation to return.
Jefferson will be a member of the Chargers' initial 53-man roster, Adam Schefter of ESPN reports.
The Chargers placed Taylor (undisclosed) on injured reserve Sunday with a designation to return, Ian Rapoport of ESPN and NFL Network reports.
Lance has won the Chargers' backup quarterback job, Matt Zenitz of CBSSports.com reports.
Kincaid was held out of Thursday's exhibition win over the Steelers.
Moore didn't play against the Steelers in Thursday's exhibition victory.
Cook didn't play during Buffalo's exhibition win over Pittsburgh on Thursday.
Harris (undisclosed) did not play in the Chargers' 20-18 preseason loss to the Rams on Thursday.
Vidal totaled six offensive snaps in Thursday's exhibition loss to the Rams, recording nine yards on three carries.
