Most MCL tears can be treated without surgery. Recovery from a grade I MCL tear often takes a few days to two weeks. Grade III MCL tears can take four to eight weeks to heal. The medial collateral ...
The Kansas City Chiefs quarterback tore his ACL in his left knee in the final moments of his team's game against the Los Angeles Chargers on Dec. 14 Ingrid Vasquez is a Digital News Writer at PEOPLE.