SEOUL, South Korea -- Kim Jin-su has been ruled out of South Koreas World Cup squad due to an ankle injury. Drew Hutchison Jersey . The Korea Football Association announced Thursday that Park Joo-ho will join the 23-man squad to replace the 21-year-old Kim, a Japan-based left back who has played nine internationals since Hong Myung-bo took over as head coach last year. The 27-year-old Park, who has recovered from a foot injury that contributed to his omission from the original squad, is coming off a successful season in Germany with FSV Mainz 05. QPRs Yun Suk-young played 90 minutes at left back in Wednesdays disappointing 1-0 home defeat by Tunisia. The South Koreans, semifinalists at the 2002 World Cup, also have injury concerns over defender Hong Jeong-ho, who hurt an ankle in the loss to Tunisia. South Korea will hold a training camp in Florida and play a warmup match against Ghana before heading to Brazil, where it kicks off its ninth World Cup campaign on June 17 against Russia. South Koreas other Group H matches are against Algeria and Belgium. ------ Squad: Goalkeepers: Jung Sung-ryeong (Suwon Bluewings), Kim Seung-gyu (Ulsan Horang-i), Lee Bom-young (Busan IPark) Defenders: Park Joo-ho (Mainz, Germany), Yun Suk-young (QPR, England), Kim Young-kwon (Guangzhou Evergrande, China), Hwang Seok-ho (Sanfrecce Hiroshima, Japan), Hong Jeong-ho (Augsburg, Germany), Kwak Tae-hwi (Al Hilal, Saudi Arabia), Lee Yong (Ulsan Horang-i), Kim Chang-soo (Kashiwa Reysol, Japan). Midfielders: Ki Seung-yeung (Sunderland, England), Ha Dae-sung (Beijing Guoan, China), Han Kook-young (Kashiwa Reysol, Japan), Park Jung-woo (Guangzhou R&F, China), Son Heung-min (Bayer Leverkusen, Germany), Kim Bo-kyoung (Cardiff City, Wales), Lee Chung-yong (Bolton Wanderers, England), Ji Dong-won (Augusburg, Germany). Forwards: Koo Ja-cheol (Mainz, Germany), Lee Keun-ho (Sangju Sangmu), Park Chu-young (Arsenal, England), Kim Shin-wook (Ulsan Horang-i). Andrew McCutchen Jersey . - No matter the lineup or location, the San Antonio Spurs are rolling through the NBA again this spring, just the way they have for most of the last two decades. Jung-ho Kang Jersey . Bozak and Clarkson suffered the injuries in pre-training camp workouts, according to Carlyle, who said they made "small amounts of improvement" from Friday to Saturday. After the players were deemed less than 100 per cent by doctors after Thursdays medical testing, the Leafs held them out of on-ice testing and are being cautious. http://www.pittsburghpiratesprostore.us/Dave-Parker-pirates-jersey/ . In the opener of the World Group first-round series, world No. 18 Kei Nishikori defeated Peter Polansky of Thornhill, Ont. DELRAY BEACH, Fla. -- John Isner held off an upset bid by Dudi Sela of Israel on Thursday night to advance to the quarterfinals of the Delray Beach Open after No. 3 seed Kei Nishikori of Japan exited the tournament because of a left hip injury. The second-seeded Isner squandered four match points in the third set after leading 4-1, but the 6-foot-10 American rallied from a 5-2 deficit to prevail in the tiebreaker for a 3-6, 6-1, 7-6 (5) victory that earned him a spot in the quarterfinals for the third consecutive year. "More times than not, when Im up 4-1, I close it out," said Isner, who is 5-0 in his three-set matches this season but is playing in his first tournament since exiting the Australian Open with an ankle injury last month. "It definitely didnt need to go to 5-5 when I was up 4-1. I put a lot of stress on myself when I do that." The world No. 13 will face American qualifier Rhyne Williams on Friday night. Williams ousted wild-card Marcos Baghdatis of Cyprus 6-7 (7), 6-4, 6-2 in Thursdays nightcap to reach his second ATP quarterfinal. Nishikoris bid to win his second consecutive ATP title came to an abrupt halt Thursday afternoonn when the top-ranked Asian was forced to retire during the first set of his second-round match because of a left hip flexor injury. Pittsburgh Pirates Jerseys. Nishikori was trailing Teymuraz Gabashvili of Russia 4-2 when he decided to stop the match. He said that he experienced discomfort for the first time during his first-round win Tuesday in which he stretched his win-loss record this season to 12-2. "I tried to play, but if youre not 100 per cent, its tough," said Nishikori, who is ranked No. 15 in the world and was coming off a win in Memphis last week. "I couldnt do anything today. Its going to take some time to recover. Its shocking this happened, especially since Ive been playing well." Gabashvili advanced to the quarterfinals on Friday and will face No. 7 seed Marin Cilic of Croatia, who defeated American wild-card Ryan Harrison 6-3, 6-4. Samuel Groth and Max Mirnyi advanced to the doubles semifinals with a 7-6 (5), 6-4 win against Americans Sekou Bangoura and Vahid Mirzadeh. Harrison and fellow American Jack Sock filled out the final