The Packers are re-signing QB Joe Callahan to the roster, per a source. Callahan was released on Saturday to make room for Aaron Rodgers off IR. It could mean the Packers are considering shutting down Rodgers if they're out of playoff contention, which... https://t.co/pZSdCNQKlm

— Rob Demovsky (@RobDemovsky) December 18, 2017