Sorry if this has been mentioned elsewhere, but I figured out how to get replays to show up during a game... all you have to do it play as a created team
I was bored a little while ago and decided to screw around with the create a team function... made the team, brought them into a quick play game against a random nfl team just to see what they were like, and low and behold the game started showing replays during the game
First time it happened i didnt know what was going on because i'd never seen one before lol... now hopefully this can be patch easily, seems like it should be a simple fix