Don't be a Monday-morning quarterback and criticize my decisions after the fact.

He Monday-morning quarterbacked the entire game.

Monday-morning quarterbacks always have an opinion on how the game should have been played.

The coach criticized the Monday-morning quarterbacks for their constant criticism.

Stop Monday-morning quarterbacking and start taking action.

He always criticizes the team's performance after the game, but he never played football himself. He's just a Monday morning quarterback.

Monday morning quarterbacks analyze the game after it has already been played.