MEMPHIS, Tenn. -- Defending champion Kei Nishikori of Japan beat Benjamin Becker of Germany 6-4, 6-4 on Wednesday night in the U.S. National Indoor Tennis Championships. Nishikori, who won his third career title at The Racquet Club last year, will play Russian Alex Bogomolov Jr. in the quarterfinals Friday. Bogomolov beat American Ryan Harrison 6-3, 2-6, 6-2 earlier Wednesday. The defending champ started slowly as he struggled a bit with his serve. Nishikori, who didnt drop a set here winning this tournament a year ago, jumped out to a 3-1 lead only to be broken twice. Nishikori broke Becker to open the match and again after the German broke him for a second time to tie the set at 4-4. "You see the score it looks simple like easy," Nishikori said. "But with so many breaks and I was serving all right but a couple moments I wasnt feeling the ball and the ball was going everywhere. So I led in unforced errors I guess today. First match and never easy of course against Becker, but Im happy to win two sets today." American Jack Sock beat Jiri Vesely of the Czech Republic 6-2, 6-1. Sock needed 68 minutes to top Vesely overcoming six double-faults on his way to his second quarterfinal this year. Michael Russell downed fellow American Tim Smyczek 6-2, 7-6 (5) and will play third-seeded Lleyton Hewitt of Australia or Marcos Baghdatis of Cyprus. Qualifier Denis Kudla beat fellow American Donald Young 6-1 6-1 in a first-round match needing only an hour to get a little payback for losing to Young here last year. Nishikori, ranked as high as No. 11 last June, is trying to successfully defend a title for the first time in his career. He also is playing as the top seed at an ATP Tour event for the first time this week. "Its a weird feeling actually," Nishikori said about being the No. 1 seed. "Especially I was playing without seed and now Im top 20. And yeah, I didnt really feel like first seed. I didnt really care much, but its a ... pleasure to be No. 1 seed." He started well enough breaking Becker to jump out to a 3-1 lead. Then he struggled as Becker broke him twice. Nishikori broke Beckers serve for the third time in going up 5-4 and served out for the set. He won all three break points on Beckers serve. The German had seven break points on Nishikori and converted only twice in the opening set. In the second set, Nishikori was much more in control. He jumped out to a 4-2 lead and was up 4-3 when Becker broke his serve. Nishikori broke right back and served out for the match and a win he was happy to take. Nishikori said his serve was much better in the second, though he wasnt happy with being broken. "I was up 4-3. Thats an important game," Nishikori said. "I should finish well, but second set much better." Cheap MLB Jerseys . According to TSN Hockey Insider Darren Dreger, the New York Rangers winger skated with extras and goalies today. 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World No. 18 Kei Nishikori defeated Peter Polansky in the opening match, 6-4, 6-4, 6-4.Moving swiftly to give Alex Ovechkin help at the defensive end while raiding a rival, new Washington Capitals general manager Brian MacLellan signed Pittsburgh Penguins free agents Matt Niskanen and Brooks Orpik on Tuesday to deals totalling more than $65 million. The 27-year-old Niskanen, the more offensive-minded of the pair of defencemen joining the Capitals, got a $40.25 million, seven-year contract. "Its a very big commitment from Washington. Thats no small thing. Youre talking a seven-year commitment for a very substantial amount of money," said Niskanen, who got married Saturday. "Im excited for that challenge." The 33-year-old Orpik, more of a stay-at-home blueliner who had spent his entire career with the Penguins, was given a $27.5 million, five-year package. "Ive got to be honest: Up until this year, I never really envisioned myself leaving Pittsburgh. As everyone knows, theres been a lot of changes there. It really was a perfect time," Orpik said. "The past year, there was such strong expectations for the team, both internally and externally, and I think we had a really tough time handling those expectations." The Capitals got off to a fast start on the first day of NHL free agency, also adding Carolina Hurricanes goaltender Justin Peters on a $1.9 million, two-year deal, while re-signing centre Michael Latta to a $1.15 million, two-year contract. Last season, three-time NHL MVP Ovechkin and the Capitals missed the playoffs for the first time in seven years, leading ownership to make changes. George McPhees contract was not renewed after he spent 17 seasons as the teams GM, while Adam Oates was fired with a year left on his three-season deal. MacLellan was promoted from assistant general manager to replace McPhee, while Barry Trotz was hired as the new coach. Washington also has added assistant coach Todd&nnbsp;Reirden, who was hired by the Capitals after the Penguins fired him last week.dddddddddddd. "Hes been huge," Niskanen said. "Todd helps young defencemen get better." And in one more Penguins-to-Capitals transaction Tuesday, Washington signed right wing Chris Conner to a one-year, two-way contract. He has 22 goals and 28 assists in 178 NHL games, including 19 with Pittsburgh last season. As for all those people moving from Pittsburgh — which also recently changed its GM and coach — to Washington, Niskanen said: "It would seem odd, wouldnt it? But its professional sports. ... If the Caps call, youve got to listen." Speaking about the Capitals, Orpik said: "Ive played against that group enough to know what the potential of that group can be. ... I think they needed some direction, and I think Barry will provide that." Niskanen, 27, led NHL defencemen with a plus-33 rating last season, when he set career highs with 10 goals and 36 assists. The 6-foot, 209-pound defenceman has 35 goals, 132 assists and 266 penalty minutes in 491 career NHL games for Pittsburgh and Dallas. The 6-foot-2, 219-pound Orpik has 13 goals, 119 assists and 734 penalty minutes in 703 career games. He is a two-time U.S. Olympian and was an alternate captain for the Penguins since 2008. The 27-year-old Peters went 7-9-4 with a 2.50 goals-against average and a .919 save percentage for the Carolina Hurricanes last season. "When the head coach on the team looks you in the eye and tell you he wants you to be there, that goes a long way," Peters said. He said that he wasnt told how hell be used with the Capitals — strictly as a No. 2 behind Braden Holtby, or splitting time in the top goalie spot — but added that he thinks it will "work itself out." ___ AP Sports Writer Joseph White contributed to this report. ' ' '