Robert Griffin III undergoes knee surgery: What does procedure entail?
"...Popovitz explains when an ACL tears, an MCL often tears with it. But on more rare occurrences, he said, the torque and force of an injury can cause the LCL to tear, which appears to have been the case for RG3. What's more, because of the knee's anatomy, injuries to the ACL and LCL could also accompany damage to structures in the back of the knee, creating the potential for a major knee injury."
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