The only time I could see a fine for faking an injury being justified/holding up on appeal is when players sit down on the field and pretend to be hurt to give their coach extra time to throw a challenge flag, and then come right back into the game.
The only time I could see a fine for faking an injury being justified/holding up on appeal is when players sit down on the field and pretend to be hurt to give their coach extra time to throw a challenge flag, and then come right back into the game.