Hamilton Tiger-Cats defensive back and linebacker Don Unamba has been fined for headbutting Calgary Stampeders running back William Langlais.

The incident occurred in Calgary’s 43-28 victory during Week 14 in the Hammer.

Unamba headbutted Langlais in the end zone after Romar Morris scored a three-yard touchdown to seal the Stampeders win. There was no penalty called on the field.