This is the thing coaches fear and why we don't see it called often with the Dolphins. Big quarterbacks such as Brady seem to not have a problem though.
Patrick Mahomes' MRI Friday confirmed a dislocated right kneecap. It's not the worst diagnosis Mahomes could have gotten as NFL Network's Ian Rapoport reports the quarterback avoided "significant additional damage." Mahomes will seek multiple opinions before a decision is made, though the tentative plan is for him to return after a "brief absence." A return in three weeks would probably be the best-case scenario for Mahomes, though even if that's the case, he'd likely be confined to the pocket and would surely be required to wear a brace on his injured knee. Sports injury expert David Chao believes surgery is inevitable for Mahomes, though it sounds like he'll wait until after the season to consider that possibility. Well-traveled veteran Matt Moore—who has received a grand total of zero practice reps with the first-team offense this season—will slot in as KC's interim starter.https://www.rotoworld.com/football/nfl/ ... ck-mahomes