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The 11th Frame: PBA in 2015 to adopt USBC rule that thumbless bowlers can’t have ‘thumb’ hole and weight hole

JEFF RICHGELS | Posted: Thursday, July 31, 2014 7:30 am

Back in early May, the United States Bowling Congress announced that it had modified its rules on bowling ball gripping holes so that bowlers who don’t use their thumb during a delivery cannot have both a “thumb” hole and a balance hole. I covered the complex topic in this blog. The change prompted numerous Facebook threads that delved into an astounding number of nuances that at times left me more confused than I was when the rule was announced. I won’t pretend to be...

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