The Chargers announced on Wednesday that linebacker Junior Colson and wide receiver Simi Fehoko were placed on injured reserve.
In correspondence, WR Jalen Reagor was signed to the active roster. Reagor takes the spot of tight end Eric Tomlinson, who was released on Tuesday and signed to the practice squad today.
Additionally, LB Shaquille Quarterman was signed to the practice squad and TE McCallan Castles was released from the practice squad.
Reagor, who was signed by Los Angeles earlier this season, has appeared in three games and has caught four passes on five targets for 76 yards.
The Chargers have two open spots on the 53-man roster.