Pittsburgh reliever Tony Watson, in the top of the seventh inning in Wednesday’s NL wild-card game, plunked the Cubs ace in the hip. It was almost certainly deliberate — Arrieta had hit Josh Harrison in the previous inning, and he hit Francisco Cervelli earlier in the game — and, of course, that cleared the benches.

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Chicago was up 4-0 at the time.

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As tends to be the case in baseball fights, nothing particularly interesting happened — until Pittsburgh’s Sean Rodriguez went bonkers on a Gatorade cooler.

Rodriguez was ejected. The cooler was not.

He’s done this before , by the way; Rodriguez punched a locker and broke his hand while in the minors with Tampa Bay in 2012.

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