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First it was trash-talking, then it was a fist fight and now the New Era "Dog" commercial shows a whole different level of rivalry between Alec Baldwin and John Krasinski.

This time, the New Era "Dog" ad has Krasinski taking the rivalry to even greater heights. The star of The Office has decided to take Baldwin's dog and spray-paint it with the Red Sox's "B" logo and put a Boston cap on its head. Of course, this eventually ensues in a phone call that pretty much implies that there will be a heated discussion. However, the conversation is quite calm and collective. So how does Mr. Baldwin handle the situation? Watch the video and see how he brilliantly makes light of the prank.