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An inside look at what likely happened to RGIII’s knee

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RICHMOND, Va. (WTVR) -- Redskins fans have been seeing the RGIII injury for days now, trying to dissect what is happening to his knee when it buckles.

Dr. Jody Smith from West End Orthopedics dropped by the CBS 6 Studios Tuesday evening to talk about what happens to a person's knee when they buckle and ligaments tear.