Idk about the hold... that was super ticky tack compared to what they were letting go the whole game. There were numerous instances of Bison DEs basically getting tackled on speed rushes but if want to say holding is called tighter in space they completely ignored this one (#80 - bottom of the screen - at 50:30:00): https://www.espn.com/watch/player/_/...8-5c38d2cee253