John Krasinski and Alec Baldwin love their baseball teams — Krasinski the Boston Red Sox and Baldwin the New York Yankees.

So what happens when these famous fans are tapped to shoot six commercials that showcase the teams’ rivalry?

Surprises, hilarity and juxtapositions.

The two funny people shot the commercials for New Era, the official MLB baseball caps — which, ironically, Baldwin never wears in the clips. Not that we expect him to.

Adweek has the scoop in the making of the TV spots — like how the original scripts were scrapped for Krasinski and fellow Office writers.

Check out the six commercials, all shot in black and white: