Arguably the most important Red Sox-Yankees series in at least a few years will begin at Fenway Park on Friday.

The two rivals are neck-and-neck in the American League wild card standings entering the three-game set. New York holds a half-game advantage over Boston for the top wild-card spot. Both teams are also still very much in the mix for the division title, but they also need to build some cushion in order to fend off other challengers for the wild-card spot.

So, while this isn’t a playoff series, there’s plenty at stake between the two teams this weekend. Here are seven things to know about the upcoming series.

The Red Sox have had the Yankees’ number this season.

The Yankees won the first meeting between the two teams this season — and then they didn’t beat the Red Sox again unt

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