Right-hand-low Rory already prepping for Open

Rory McIlroy switched his putting grip before the start of the Memorial Tournament, and it paid off as he closed with a 4-under 68 in his final competitive round before the U.S. Open.  The world No. 3 came into the week ranked 122nd in strokes-gained putting, and despite winning in his last start at the Irish Open, McIlroy ditched the left-hand low grip after a three-month experiment.

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