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Novak Djokovic, Rafael Nadal advance to Madrid Open semifinals

MADRID (AP) — Rafael Nadal set up a semifinal with Novak Djokovic after withstanding a tough challenge from David Goffin 7-6 (3), 6-2 at the Madrid Open on Friday. Djokovic, the defending champion, advanced when

Serena Williams reveals she is 20-weeks pregnant

Serena Williams announced she's expecting a baby with fiance Alexis Ohanian. SERENA WILLIAMS BEATS BIG SISTER VENUS FOR RECORD WIN Expand / Contract (Snapchat) The tennis star, 35, shared a picture o

What do Novak Djokovic, a Las Vegas cab driver and a 120-mile relay race have in common?

SI.COM STAFF Each week, readers from around the world submit questions to Sports Illustrated executive editor Jon Wertheim for his weekly Mailbag. The questions come in through all avenues—Tw