Zack Greinke posted a much betting winning percentage than Clayton Kershaw during the 2013 season due to a higher level of TWTW.

TWTW (short for The Will TWin) is a sarcastic reference to an unquantifiable skill certain ballplayers possess or do not possess that allows them to win ballgames out of sheer will.  Often used when explaining overperformance by mediocre players or underperformance by stars.

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