Even Clayton Kershaw loses his cool sometimes.

In this moment of frustration from the third inning of Tuesday's extra-inning loss, the reigning NL MVP and Cy Young Award winner fails to field a grounder one pitch after he felt he delivered strike three (the home-plate umpire disagreed). An enraged Kershaw then spikes the baseball in true Gronk fashion before firing it into his own dugout.

After trying -- apparently unsuccessfully -- to collect himself by storming around the mound, Kershaw eventually stepped back on the pitching rubber.

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To be fair, Kershaw did set the bar pretty high with this defensive gem just an inning earlier: