Rapoport states that Thomas' injury was actually a "low-grade" MCL sprain and no surgery is necessary for it to heal properly. However, Thomas is expected to miss some time as he recovers.
Thomas was one of two first-round picks by the 49ers in April. The other, linebacker Reuben Foster, was inactive against the Eagles due to a rib injury sustained during a Week 7 contest against the Dallas Cowboys.
This season, Thomas has 26 combined tackles, two sacks, and has started six games in eight appearances.
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