Hockey players wear shorts.

Because of football, hockey players began wearing shorts. 

Canadians invented football at the same time as American college students, according Sportsnet.

In the 1870s, Harvard players abandoned the "Boston Game," a hybrid of rugby and soccer, and embraced McGill's rugby-centric regulations, per History.

First public indoor hockey game was in 1875, when most participants also played football.

According to Hockey Writers, they donned summer football shorts and a turtleneck for hockey.

Long socks kept players' legs toasty and shin pads in place, according ESPN.

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