Alec Baldwin and John Krasinski have united to create a set of adverts which play out the real-life baseball team rivalry between the New York Yankees and the Boston Red Sox.
The advertisements, which are for America's Major League Baseball sponsors, New Era, shows the actors playfully representing their favourite teams.
The pair shot three commercials in total for the headwear company, called the 'Rivals are Forever'.
The commercials involve pranks which get worse and worse. In one of the adverts, The Office star, Krasinski, spray paints Baldwin's pet dog with the Sox' logo.
New Era have released behind the scenes footage of the adverts and neither of the actors take the role very seriously. Thats what makes the humour!
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