He is not eligible for a medical hardship because this was his fifth game of the year.
Lewis, a junior, was injured in the second quarter of Saturday's 13-3 loss to Georgia Tech.
He is the third Clemson player to be lost for the season. Reserve funning back Ray Ray McElrathbey was lost during the preseason with a torn ACL and reserve H-back Chad Diehl broke his leg against Furman.
After a breakout game vs. Buffalo, the fifth-year senior tailback is not bent on starting against…