What's Tommy Kahnle doing here?

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It's 50 degrees in the Bronx. Yet here is Yankees reliever Tommy Kahnle bathing himself in water before his appearance in Game 5 of the ALCS.

After his quick bullpen shower, Kahnle entered the game in the top of the seventh. He allowed a George Springer single and a José Altuve walk before he was relieved by Zack Britton.

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