Thursday, May 21, 2009

Colt Knost Colt Knost was playing the company's Pro V1x ball because he thought it gave him more distance off the tee. Then for the first round of the Byron Nelson Championship on Thursday, Knost used a Pro V1 instead, according to a source at Titleist.Both balls have the same cover material, but the Pro V1x, a four-piece ball, is slightly firmer than the three-piece Pro V1. The Pro V1 produces more spin, and for Knost, that added spin translates into better distance control from the fairway.Knost must have been pleased with the results; his average driving was still 312 yards and he hit 78% of the fairways en route to a three-under 67 at  the TPC Four Seasons Resort in Irving, Texas. Through last week, Knost had been averaging 280 yards per drive and his scoring average was 71.53, ranking him 137th on the PGA Tour.Click here to learn more about the similarities and differences between the two balls.Stay in the know by following David Dusek on Twitter.(Photo: Sam Greenwood/Getty Images)

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