Nishikori upsets top-seeded Cilic to reach semis

AP - Sports
Nishikori upsets top-seeded Cilic to reach semis
Feliciano Lopez, of Spain, celebrates after beating Jack Sock, of the United States, in a quarterfinal at the U.S. National Indoor Championships tennis tournament Friday, Feb. 22, 2013, in Memphis, Tenn. Lopez won 6-4, 6-3. (AP Photo/Mark Humphrey)
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