Before Brian Bulcke hits the field, Tom Cruise must first go to battle.

The Hamilton Tiger-Cats defensive lineman says popping in the 2003 action flick The Last Samurai is one of his longest-running pre-game superstitions.

But as CBC News sports reporter Peter Armstrong finds out, superstitions aren't just quirky rituals athletes have. 

Watch the full video above for more on the psychology behind sports superstitions.