Tag Archive

Square Groove Drama – Phil Mickelson Accused of Cheating!

By John Duval

As most golf fans are aware, on Jan 1, 2010 a new condition of competition went into effect on the PGA Tour that mandated a change in the shape and volume of grooves on clubs having more than 25 degrees of loft. This new groove rule has caused outrage and much discussion for several months… »

About the USGA Groove Rule Change

By John Duval

The USGA is finally pulling the trigger on a rule change related to square grooves, or U grooves, or box grooves. One of the biggest misconceptions about this rule change is that the USGA is banning square grooves. This is not the case at… »

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