Fighting is strictly prohibited in NCAA hockey, with penalties for engaging in fisticuffs that can reach multi-game suspensions. Still, it happens on occasion—as we saw tonight in Grand Forks when North Dakota's Stephane Pattyn dropped Minnesota-Duluth's Derik Johnson with a single punch.

Or did he? Feigning being knocked out is an odd thing to do, but it's exactly what officials determined as they issued Johnson a minor penalty for diving.

[CBS Sports]

h/t to Ben