KEY BISCAYNE, Fla. -- Novak Djokovic advanced without hitting a ball for the second time at the Sony Open, and now hes in the final. Djokovic received his latest walkover Friday when Kei Nishikori withdrew less than two hours before their semifinal because of a left groin injury. "I tried to warm up and I couldnt move" Nishikori said. "With anybody on the other side, I dont think I could win today." The No. 2-ranked Djokovic also got a walkover in the third round and has played only six sets in the tournament. Hell try for his fourth Key Biscayne title Sunday against the winner of Friday nights match between No. 1 Rafael Nadal and No. 7 Tomas Berdych. No. 1 Serena Williams will try for her seventh Key Biscayne title when she plays No. 2 Li Na on Saturday. Former No. 1 Martina Hingis advanced to her first doubles final since 2007 when she and Sabine Lisicki beat Cara Black and Sania Mirza 6-3, 6-4. Nishikori said his groin has bothered him for more than a month, and he retired during a match in Delray Beach last month. This week he won a won a three-set match against David Ferrer, saving four match points, and then beat Roger Federer in a three-setter Wednesday night. The No. 21-ranked Nishikori said he wont need surgery, but hes unsure how long hell be sidelined and will fly home to Japan to see a doctor. His next scheduled match is in Davis Cup for Japan against the Czech Republic in Toyko on April 4. Nishikori has retired or withdrawn 14 times in his career, including three times in Grand Slam events. He was hoping to reach his first ATP Masters 1000 final. "It was going to be a great challenge for me today," Nishikori said. "Hopefully I can play another time." A Key Biscayne mens semifinal was also cancelled in 2012 when Nadal withdrew because of a knee injury, giving Andy Murray a walkover. Djokovic will try to complete a March sweep Sunday. He won the Indian Wells title two weeks ago, when he beat Federer in the final. Regardless of results the rest of the week, Nadal will remain No. 1 and Djokovic No. 2 next week. Cheap Detroit Lions Gear . - Chris Davis hit a two-run double, scoring Nelson Cruz in his Orioles debut in Baltimores 9-7 win over to the Toronto Blue Jays on Saturday. Authentic Detroit Lions Jerseys . Vargas (8-3) allowed four singles and two walks while striking out five, allowing only two runners from a diluted Twins lineup to reach second base. Mike Moustakas and Jarrod Dyson hit RBI singles in the second inning against Kevin Correia (4-10), and that was all Vargas needed. http://www.cheaplions.com/. -- Louisville backup quarterback Reggie Bonnafon ran for two touchdowns and passed for another and the No. Cheap Detroit Lions Jerseys Online . He learned about pressure and expectations at the 2010 Games in his hometown of Vancouver. His next mission is to build on that experience at his next Olympic appearance in Sochi, where he plans to ride the momentum from the teams strong start to the season. Stitched Detroit Lions Jerseys . Jamies number grades given are out of five, with five being the best mark. Henrik Lundqvist, New York Rangers (5) – He had good saves on Giroux, Akeson, and Hartnell tonight.PITTSBURGH, Pa. - The much-maligned Pittsburgh Penguins penalty killers provided the lift needed to back up an already-sizzling power play.The Penguins killed a lengthy 5-on-3 just minutes before Evgeni Malkin and Patric Hornqvist scored power-play goals 55 seconds apart in the second period, helping Pittsburgh hand the New York Islanders their first loss of the season, 3-1 on Saturday night.They took some heat the last three games, but certainly tonight they came through big time, Penguins coach Mike Johnston said of the penalty killers. That was the turning point in the game, that 5-on-3 kill.The Islanders (4-1), who came up empty during a 5-on-3 of their own in the second, were the Eastern Conferences last unbeaten team.If you go back and look at our record when we dont score a 5-on-3 goal, its not good, Islanders coach Jack Capuano said. We didnt capitalize on ours, and obviously they did. Thats the difference in the game.Hornqvist, who assisted on Malkins goal, added an empty-net tally with 1:20 left to seal the Penguins win. It is the first time Hornqvist has opened a season with points in four straight games. He has a total of eight points.Pittsburgh captain Sidney Crosby had two assists, including the 500th of his career. He joined Mario Lemieux and Jaromir Jagr as the only Penguins with 500 assists, and he is the sixth-fastest to do it in NHL history.Marc-Andre Fleury made 30 saves as Pittsburgh recorded its fourth straight win over the Islanders and the eighth in nine meetings.Thomas Hickey staked the Islanders to a 1-0 lead in the first period, but New York failed to post its first 5-0 start. Jaroslav Halak stopped 35 shots.The Penguins penalty-killing unit, which ranked last in the league entering Saturday, went 6-for-6 and came up with two key third-period stops to protect a one-goal lead.That wasnt the case Thursday when Dallas scored the winning, power-play goal with 2.9 seconds left.The Penguins fended off the hard-charging Islanders, who nearly tied the game midway through the final period.I thought our penalty killers battled hard, Johnston said. (The Islaanders) have a very good power play, but our penalty killers were outstanding.ddddddddddddAnd they needed to be.The game was a matchup between the NHLs top two power-play units and bottom two penalty-killers.Pittsburgh entered with the best power play and worst penalty kill. The Islanders were second with the man advantage and 29th when short-handed.The teams combined for eight penalties in 9:32 in the second period, starting with the Penguins, who committed four penalties in 3:21. Pittsburgh killed the Islanders two-man advantage that spanned 1:26.The power play was ugly, Islanders captain John Tavares said. The second half of the game, we didnt generate much. We tried to mix things up, and it just seemed for whatever reason, we just werent sharp.The Penguins got the next two-man advantage after Cory Conacher was called for hooking, and the Islanders were then caught with too many men on the ice.Malkin tied it 1-1 at 13:49 when he put in a wrist shot from the left point, and then fired a drive that Hornqvist tipped past Halak with 5:16 left in the second.When you get a 5-on-3 like we had right after theirs, those are turning points, Johnston said. We scored and they didnt. That was the difference in the game.Pittsburgh outshot New York 16-10 in the opening period, but the Islanders held a one-goal lead.New York scored 5:46 in when Ryan Strome, on a rush down the right side, found the trailing Hickey, who wristed a shot over Fleurys shoulder.Special teams allowed the Penguins to make up the difference.We had to kill that 5-on-3. To get one of our own, put one in, and fire back to get another one was huge, Crosby said. We seemed to build a lot of momentum off of that.NOTES: Penguins F Pascal Dupuis played after leaving the ice on a stretcher on Thursday against Dallas when he was cross-checked and hit with a shot while he was down. ... Pittsburgh is 20-5-1 in its last 26 games against New York and 17-3 in its last 20 home games. . The Islanders return home Tuesday against Toronto. Pittsburgh will wrap up a three-game homestand Wednesday against Philadelphia. 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