Baltimore Ravens quarterback Lamar Jackson could be out until Week 16 due to a sprained posterior cruciate ligament in his left knee, ESPN reported Sunday. That would put his return on Christmas Eve at home against the Atlanta Falcons.
Jackson sustained the injury last Sunday in the Ravens' win over the Denver Broncos.
The Ravens (8-4) are scheduled to visit the Pittsburgh Steelers (5-7) on Sunday, leaving backup Tyler Huntley to start.
Jackson is crucial to the Ravens offense. Last season, he missed the final four games because of an ankle injury, and Baltimore was 0-4 in his absence.