Memphis Tennis(01 of15)
Open Image ModalKei Nishikori, of Japan, is presented with his guitar trophy after defeating Kevin Anderson, of South Africa, in the championship match of the Memphis Open tennis tournament Sunday, Feb. 15, 2015, in Memphis, Tenn. Nishikori won 6-4, 6-4. (AP Photo/Mark Humphrey) (credit:ASSOCIATED PRESS)
Memphis Tennis(02 of15)
Open Image ModalKei Nishikori, of Japan, poses with his guitar trophy after defeating Kevin Anderson, of South Africa, in the championship match of the Memphis Open tennis tournament Sunday, Feb. 15, 2015, in Memphis, Tenn. Nishikori won 6-4, 6-4. (AP Photo/Mark Humphrey) (credit:ASSOCIATED PRESS)
Memphis Tennis(03 of15)
Open Image ModalKei Nishikori, of Japan, poses with his guitar trophy after defeating Kevin Anderson, of South Africa, in the championship match of the Memphis Open tennis tournament Sunday, Feb. 15, 2015, in Memphis, Tenn. Nishikori won 6-4, 6-4. (AP Photo/Mark Humphrey) (credit:ASSOCIATED PRESS)
Memphis Tennis(04 of15)
Open Image ModalKei Nishikori, of Japan, poses with his guitar trophy after defeating Kevin Anderson, of South Africa, in the championship match of the Memphis Open tennis tournament Sunday, Feb. 15, 2015, in Memphis, Tenn. Nishikori won 6-4, 6-4. (AP Photo/Mark Humphrey) (credit:ASSOCIATED PRESS)
Memphis Tennis(05 of15)
Open Image ModalKei Nishikori, of Japan, holds his guitar trophy after defeating Kevin Anderson, of South Africa, in the championship match of the Memphis Open tennis tournament Sunday, Feb. 15, 2015, in Memphis, Tenn. Nishikori won 6-4, 6-4. (AP Photo/Mark Humphrey) (credit:ASSOCIATED PRESS)
APTOPIX Memphis Tennis(06 of15)
Open Image ModalKei Nishikori, of Japan, looks up at confetti as he is presented with a guitar trophy after defeating Kevin Anderson, of South Africa, in the championship match of the Memphis Open tennis tournament Sunday, Feb. 15, 2015, in Memphis, Tenn. Nishikori won 6-4, 6-4. (AP Photo/Mark Humphrey) (credit:ASSOCIATED PRESS)
Memphis Tennis(07 of15)
Open Image ModalKei Nishikori, of Japan, poses with his guitar trophy after defeating Kevin Anderson, of South Africa, in the championship match of the Memphis Open tennis tournament Sunday, Feb. 15, 2015, in Memphis, Tenn. Nishikori won 6-4, 6-4. (AP Photo/Mark Humphrey) (credit:ASSOCIATED PRESS)
Memphis Tennis(08 of15)
Open Image ModalKei Nishikori, of Japan, poses with his guitar trophy after defeating Kevin Anderson, of South Africa, in the championship match of the Memphis Open tennis tournament Sunday, Feb. 15, 2015, in Memphis, Tenn. Nishikori won 6-4, 6-4. (AP Photo/Mark Humphrey) (credit:ASSOCIATED PRESS)
Memphis Tennis(09 of15)
Open Image ModalKei Nishikori, of Japan, poses with his guitar trophy after defeating Kevin Anderson, of South Africa, in the championship match of the Memphis Open tennis tournament Sunday, Feb. 15, 2015, in Memphis, Tenn. Nishikori won 6-4, 6-4. (AP Photo/Mark Humphrey) (credit:ASSOCIATED PRESS)
Memphis Tennis(10 of15)
Open Image ModalKei Nishikori, of Japan, poses with his guitar trophy and Kevin Anderson, left, of South Africa, holds his runner-up trophy after the championship match of the Memphis Open tennis tournament Sunday, Feb. 15, 2015, in Memphis, Tenn. Nishikori won 6-4, 6-4. (AP Photo/Mark Humphrey) (credit:ASSOCIATED PRESS)
Memphis Tennis(11 of15)
Open Image ModalKei Nishikori, of Japan, celebrates after defeating Kevin Anderson, of South Africa, in the championship match of the Memphis Open tennis tournament Sunday, Feb. 15, 2015, in Memphis, Tenn. Nishikori won 6-4, 6-4. (AP Photo/Mark Humphrey) (credit:ASSOCIATED PRESS)
Memphis Tennis(12 of15)
Open Image ModalKevin Anderson, of South Africa, returns a shot to Kei Nishikori, of Japan, in the championship match of the Memphis Open tennis tournament Sunday, Feb. 15, 2015, in Memphis, Tenn. (AP Photo/Mark Humphrey) (credit:ASSOCIATED PRESS)
Memphis Tennis(13 of15)
Open Image ModalKei Nishikori, of Japan, serves to Kevin Anderson, of South Africa, in the championship match of the Memphis Open tennis tournament Sunday, Feb. 15, 2015, in Memphis, Tenn. (AP Photo/Mark Humphrey) (credit:ASSOCIATED PRESS)
Memphis Tennis(14 of15)
Open Image ModalKei Nishikori, of Japan, celebrates after defeating Kevin Anderson, of South Africa, in the championship match of the Memphis Open tennis tournament Sunday, Feb. 15, 2015, in Memphis, Tenn. Nishikori won 6-4, 6-4. (AP Photo/Mark Humphrey) (credit:ASSOCIATED PRESS)
Memphis Tennis(15 of15)
Open Image ModalKei Nishikori, of Japan, returns a shot to Kevin Anderson, of South Africa, in the championship match of the Memphis Open tennis tournament Sunday, Feb. 15, 2015, in Memphis, Tenn. Nishikori won 6-4, 6-4. (AP Photo/Mark Humphrey) (credit:ASSOCIATED PRESS)