With offensive tackles Tony Pashos an Menelik Watson both questionable to face the San Diego Chargers because of injuries, the Raiders promoted James Cornell from the practice squad Saturday to the 53-man roster.
Pashos, who has started all four games at right tackle, was limited all week with a groin strain. Watson was back at practice after missing a month following arthroscopic knee surgery.
The other tackle on the roster is Matt McCants, who has played primarily as an extra blocker in some power packages.
Cornell, waived by the Baltimore Ravens on Aug. 25, was signed to the Raiders practice squad on Sept. 11. In college at Illinois, Cornell played in 29 games with 19 starts. He was undrafted and spent all last season on the Ravens practice squad.
To make room for Cornell, the Raiders waived guard Antoine McClain, who was claimed off waivers on Sept. 1 but was inactive all four games.