The quarterback is such a key position on the football field, once someone is in the position for the season, there isn't much moving' n shakin' going on. So when a situation arises where a new QB must be brought into the fold to start, controversy is bound to come with it. On this episode of the NFL explained. podcast, Mike Yam and Michael Robinson talk about some of the most memorable QB controversies of all time. See omnystudio.com/listener for privacy information.