11. Chuck Pagano
Marlon Mack scored a 21-yard touchdown for the Colts against the Rams in 2017. The Colts were down 10-0 in the first quarter when Scott Tolzein hit Mack with the pass and the running back scored. One of his feet stayed in bounds but officials ruled him out. That was fine because there was a video review available and they could overrule the decision. But then Pagano made one of the most boneheaded decisions of the season.

Instead of waiting for the replay, he pushed his team to the line of scrimmage where they duly messed everything up. In the end, they scored a field goal bringing the score to 10-3 instead of 10-7. Pagano’s attempt at brilliant tactical innovation resulted in his team’s capitulation. Finally, the Rams scored another 27 unanswered points while Tolzein had an appalling game.