As the world's top-ranked golfer, a major champion and the winner of eight tournaments since the beginning of 2015 alone, Jason Day is amoing his sport's leading stars.
Yet it seems not everybody is 100 percent clear on his identity.
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Day got a surprise Thursday as he began his defense of the PGA Tour's BMW Championship in Carmel, Ind., with the announcer on the first tee at Crooked Stick Golf Club seemingly mixing up the tournament's reigning champion with a former No.