Alec Baldwin, John Krasinski Co-Star in Red Sox-Yankees Rivalry Commercial for New Era (Video)

Alright Red Sox fans, stop me if you've said this one before: “How are you a Yankees fan at all? It’s like being a huge fan of fascism."

Now stop me if you've heard this before: "Classic Red Sox fan, go ahead and celebrate in April, we’ll dance in October."

Sounds familiar, right? In the latest New Era TV ad, NBC's Alec Baldwin and John Krasinski argue it out as typical Yankees and Red Sox fans would — dropping these two lines, among others, as seen in the commercial below.

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