Baltimore Ravens reserve running back Lorenzo Taliaferro will miss several weeks with a knee injury.

Taliaferro has a sprained MCL ligament, coach John Harbaugh said Monday. The injury occurred when he was making a tackle following an interception in Baltimore's 40-17 loss to Philadelphia on Saturday.

Now in his second season, Taliaferro is competing against rookie Javorius Allen to back up starter Justin Forsett.

The injuries are beginning to stack up for the Ravens, who went deep into their depth chart to get five players on the offensive line against the Eagles.

Baltimore was so beset by injuries that Pro Bowl guard Marshal Yanda was switched to right tackle.

Although a few of the linemen returned to practice Monday, Harbaugh said the injuries were "definitely a concern" on Saturday.