J.T. Poston posts a 12 on a single hole at Travelers Championship in stunning meltdown

Golf humbles many, including those who are the best in the world.

Just ask J.T. Poston at the Travelers Championship on Sunday.

What started out as a chance to put a low score on the card at the 13th hole after getting greenside in two shots, Poston, the world No. 32 in the Official World Golf Ranking, posted a 12 in an absolute meltdown that derailed his entire day.

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While Poston may not h...