18: Number of events in the PGA Tour’s 2019-20 season during which there has not been a rookie winner, the longest such streak to start a season since 2009, when no rookies won all year. At the Puerto Rico Open, which begins Thursday at Coco Beach Golf and Country Club in Rio Grande, 16 of the Tour’s 21-member rookie class are entered. England’s Tom Lewis, at No. 57, is the high-ranked player in the Official World Golf Ranking who is entered (tee times).
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