Any sports fan knows that the slightest change in their in-season rituals can have a great influence over whether their favorite team wins or loses.

So that's why Yankees fan Alec Baldwin refuses to indulge his intense urge to urinate while watching his home team play John Krasinski's (the Boston native is a Red Sox man) in a new ad campaign for New Era baseball caps.

Baldwin's refusal to seek out a toilet no doubt helps the Yankees throw out a Red Sox runner at the plate in dramatic ninth-inning fashion. And all it costs him is a pair of trousers.

Watch Baldwin really take one for the team below:

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