Checking (ice hockey) - Wikipedia

NHL: Cross Check to the Head Part 2

Red Wings' Larkin knocked unconscious after cross-check from behind

The NHL Punishes Matthew Tkachuk For Cross-Check in Game 4 : r/Bruins

Red Wings' Larkin knocked unconscious after cross-check from behind, National Sports

NHL fines Maple Leafs' Sam Lafferty for cross-check in Game 3 against the Lightning - The Boston Globe

Hockey Made Simple - Cross Checking

Yevgeni Malkin cross-check, Yevgeni Malkin cross-checked Er…

Jamie Benn's cross-check reminds Red Wings fans of hit to Dylan Larkin

Fighting in ice hockey - Wikipedia

The NHL Punishes Matthew Tkachuk For Cross-Check in Game 4