The American men who could rule tennis

Broadcaster and former professional tennis player Patrick McEnroe talks about the development of male players in the U.S. and gives names of those who could become top-ranked tennis pros. He also talks about the current state of the sport and his rivalry with older brother John. Plus an NBA first, courtesy of the Minnesota Timberwolves, and good news for Olympic golf organizers in this edition of Keeping Score with Rick Horrow.

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