The tousle-haired figure in the white T-shirt hanging out ringside at the Miami Heat game on Friday night, signing autographs and posing for pictures, couldn't have been Rory McIlroy by any chance? What a difference a round of golf makes. McIlroy fairly skipped into the weekend at the WGC-Cadillac Championship, buoyed by the sight of a golf ball behaving as he intended.