Since the officiating debacle in New Orleans during the NFC Conference Championship, and really all season, there have been endless discussions about expanding the replay and challenge system. Nearly all of these discussions have surrounded penalties. Should all penalties be reviewed, as with scoring plays and turnovers? Should coaches be able to challenge penalties? What if a penalty wasn’t called but should have been? Only time will tell what the answers to these questions, and many others, will be. But while the topic is fresh, we decided to take a look back at the Top 5 Challenges won by coaches during the 2018 season (in GWC terms).