MELBOURNE, Australia - MELBOURNE, Australia (AP) — Top-seeded Juan Martin del Potro outclassed defending champion Bernard Tomic 6-3, 6-1 Saturday in a 53-minute final of the Sydney International. Jonathan Marchessault Jersey . Del Potro finished the match with his eighth ace and made only four unforced errors in securing his 18th career title and first in Sydney. He lost only six points on his serve, and Tomic appeared dispirited after being broken to fall behind 4-1 in the second set. And its about to get more difficult for Tomic. His next match is against top-seeded Rafael Nadal in the first round of the Australian Open. Del Potro will also play his first-round match Tuesday — against a qualifier. In Auckland, New Zealand, John Isner had 23 aces in a match which had no service breaks to beat Lu Yen-hsun of Taiwan 7-6 (4), 7-6 (7) in the final of the Heineken Open. Isner, ranked No. 14, won his eighth career singles title and took the title in New Zealand for the second time after his victory in 2010. The third-seeded Isner, playing with a right ankle injury he picked up at the Hopman Cup the previous week, took a crucial minibreak to open the first set tiebreaker. In the second tiebreaker, he rallied from 3-0 down and closed with an ace on his third championship point. "This match was very tight as every match Ive played this week was very tight," Isner said. "I needed every bit of it to come out on top." Isner heads into the Australian Open with a question mark hanging over his fitness because of his injured ankle. He has drawn a qualifier in the first round. In the final of the Kooyong Classic exhibition event, Japans Kei Nishikori joined his coach Michael Chang as a tournament champion with a 6-4, 7-5 win over Tomas Berdych. Nishikori, seeded No. 16 at the Australian Open, was watched in the stands by Chang, a former French Open champion and a three-time winner at the Melbourne venue in 1995-97. Nishikori is drawn to face Australias Marinko Matosevic in the first round of the Australian Open. "It wont be an easy first match, and its not easy to play an Australian," Nishikori said. "But if I can play like I did today, I have a big chance to win." In the WTA event at Hobart, Spanish qualifier Garbine Muguruza defeated Klara Zakapalova of the Czech Republic 6-4, 6-0 to claim her first singles title. The 20-year-old Muguzura, who did not drop a set from the qualifiers to the final, joins 2012 champion Mona Barthel as the only qualifiers to win the Hobart event. Muguruza, ranked 58th, beat second-seeded and Wimbledon semifinalist Kirsten Flipkens in the quarterfinals, while Zakapalova defeated top-seeded and former U.S. Open champion Sam Stosur in the semis. Muguruza won the opening set when she broke Zakapalovas service in the 10th game. The 20-year-old Muguruza didnt play after Wimbledon last year because of right ankle surgery, and the recovery took longer than expected. "I started to play on a chair, and then it was a little bit more until I was like normal," she said. "I didnt expect to win a lot of matches in the second tournament of the year but I just know that Id worked so hard before. I was like a big bull." Custom Vegas Golden Knights Jerseys . At least 90 players who had college eligibility remaining are expected to enter the draft, shattering last years record number of 73. "Its a humongous number, so the first reaction is it makes you step back a little bit," said NFL Network draft analyst Daniel Jeremiah, a former scout with the Baltimore Ravens, Cleveland Browns and Philadelphia Eagles. Malcolm Subban Jersey . - Ryan Spooner scored twice to lead the Boston Bruins to a 6-1 victory over the New York Islanders in a preseason game Friday night. http://www.officialgoldenknightsfanstore.com/paul-stastny-golden-knights-jersey-c-55/ . The 30-year-old Moore played in 13 games for the Saints last season, catching 37 balls for 457 yards and two touchdowns. LONDON -- George Groves will not fight Carl Froch unless the British Boxing Board of Control appoints "neutral officials" for their rematch at Wembley Stadium. Froch retained his WBA and IBF titles with a ninth-round stoppage against Groves in Manchester on Nov. 23. Groves launched an appeal, saying referee Howard Foster stopped the fight prematurely, and the IBF then ordered a rematch. Frochs belts will be at stake again on May 31. During a press conference on Monday, Groves labelled the ninth-round stoppage a "stonewall robbery" and added that his request for neutral officials was "conditional on the fight going ahead." Both Groves and Froch are British. Boxing promoter Eddie Hearn supported Groves call for neutral referees but did not blame to Foster for his refereeing last November. "I feel the officials for this fight should be neutral," said Hearn. "Its too big to have any blame or controversy." With Wembley able to seat up to 90,000, the fight will set a post-World War II attendance record for a boxing match in Brritain after 60,000 tickets that went on sale on Monday sold out quickly. Reid Duke Jersey. The record is 56,000 in 2008 for Ricky Hatton-Juan Lazcano at the City of Manchester Stadium. "I dont believe in fate, but I do believe in everything happening for a reason," said the 25-year-old Groves, who is from London. "Maybe I had to go through that decision, that first fight, to get to the point where I can fight at Wembley, in my home city, in front of my home fans. I couldnt be more excited about this fight now." Tempers frayed after the press conference as both boxers posed for photographers inside Wembley, with Froch shoving Groves after the Londoner stared at him with intensity. "Everyones entitled to their opinion on that fight," said Froch. "But what I think about the stoppage is totally irrelevant. "All I know is that it was controversial, and thats why were here. Theres going to be no question-marks this time around. It doesnt get any bigger than this. The platform to showcase my skills, Im just so, so excited. 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