Juan Martin del Potro wins 1st match at ATP Finals

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Argentina's Juan Martin Del Potro changes his shirt during his ATP World Tour Finals tennis match against Spain's Fernando Verdasco at the O2 Arena in London, Tuesday Nov. 24, 2009. (AP Photo/Kirsty Wigglesworth)

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Juan Martin del ... Argentina's Juan Martin Del Potro changes his shirt during his ATP World Tour Finals tennis match against Spain's Fernando Verdasco at the O2 Arena in London, Tuesday Nov. 24, 2009. (AP Photo/Kirsty Wigglesworth)
Champion boxer s... Devon Alexander puts on his shoes before working out at the Marquette Recreation Center Monday, Nov. 16, 2009, in St. Louis. Alexander, a north St. Louis native, won the WBC welterweight title in August. He started boxing with 30 other kids when he was in grade school. Of those 30, at least eight are dead and another 10 are in prison or have spent time behind bars. (AP Photo/Jeff Roberson)
Ochoa edges Shin... Lorena Ochoa holds her LPGA player of the year trophy on the 18th green after the final round of the LPGA Tour Championship golf tournament Monday, Nov. 23, 2009, in Richmond, Texas. Ochoa finished second in the tournament to Anna Nordqvist, but won her fourth consecutive player of the year award. (AP Photo/Eric Kayne)
Late field goal ... Houston Texans tight end Joel Dreessen (85) is upended by Tennessee Titans' Roderick Hood (37) during the third quarter of an NFL football game Monday, Nov. 23, 2009, in Houston. (AP Photo/Dave Einsel)
Mauer near-unani... FILE - This is a June 25, 2009, file photo showing Minnesota Twins' Joe Mauer during a baseball game in Milwaukee. Mauer has become only the second catcher in 33 years to win the American League Most Valuable Player Award, Monday, Nov. 23, 2009.(AP Photo/Jim Prisching, File)
Roloson stops 58... New York Islanders' Mark Streit, center left, and Sean Bergenheim, center right, celebrate a goal as Toronto Maple Leafs' Mikhail Grabovski, left, and Francois Beauchemin, right, skate by during the second period of an NHL hockey game Monday, Nov. 23, 2009 ,in Toronto. (AP Photo/The Canadian Press, Nathan Denette)
Predators win 6t... Nashville Predators center Jason Arnott (19) shoots through a group of Detroit Red Wings to score a goal in the first period of an NHL hockey game on Monday, Nov. 23, 2009 in Nashville, Tenn. From left are Detroit Red Wings goalie Chris Osgood (30), defenseman Jonathan Ericsson (52), of Sweden, center Darren Helm (43), defenseman Brad Stuart (23), and right wing Patrick Eaves (17). (AP Photo/Mark Humphrey)
Packers, Redskin... San Diego Chargers' Jeromey Clary (66) is carted off the field after being injured during the fourth quarter of an NFL football game against the Denver Broncos, Sunday, Nov. 22, 2009, in Denver. (AP Photo/Jack Dempsey)
Rodriguez's job ... Michigan head coach Rich Rodriguez reacts during a post-game news conference after losing 21-10 to Ohio State in a NCAA football game in Ann Arbor, Mich., Saturday, Nov. 21, 2009. (AP Photo/Paul Sancya)
Whisenhunt optim... Arizona Cardinals quarterback Kurt Warner roams the sidelines during the fourth quarter of an NFL football game against the St. Louis Rams on Sunday, Nov. 22, 2009, in St. Louis. Warner spent the second half pacing the sideline after taking a blow to the head in the second quarter as his team went on to a 21-13 victory. (AP Photo/Jeff Roberson)
Foul! Study says... FILE - This is a Nov. 19, 2009, file photo showing California coach Mike Montgomery arguing with the referee during the first half of an NCAA college basketball game against Syracuse, at Madison Square Garden in New York. (AP Photo/Julie Jacobson)
Warriors coach D... Golden State Warriors coach Don Nelson instructs his team from the bench during the second half of an NBA basketball game in Boston Wednesday, Nov. 18, 2009. The Boston Celtics won 109-95. (AP Photo/Elise Amendola)
Florida's Meyer:... FILE - This is an Oct. 10, 2009, file photo showing Florida coach Urban Meyer yelling to his team during an NCAA college football game against LSU in Baton Rouge, La. Meyer plans to coach the Gators "as long as they'll have me." With rumors swirling about Charlie Weis' future at Notre Dame, Meyer squashed any potential speculation about leaving Gainesville for South Bend. (AP Photo/Bill Haber, File)
Kansas still No.... Syracuse coach Jim Boeheim yells instructions to his players during the first half of an NCAA college basketball game against North Carolina, Friday, Nov. 20, 2009, at Madison Square Garden in New York. Syracuse won 87-71. (AP Photo/Julie Jacobson)
Man pleads not g... Michael Barrett, accused of secretly making nude videos of ESPN reporter Erin Andrews, leaves after his appearance in federal court in Los Angeles Friday, Nov. 20, 2009. (AP Photo/Reed Saxon)
Redskins' RB Bet... Washington Redskins running back Ladell Betts sits on the bench with his crutches beside in the second half an NFL football game against the Dallas Cowboys, Sunday, Nov. 22, 2009 in Arlington, Texas. Betts was injured in the first half. (AP Photo/Sharon Ellman)
WKU hires Stanfo... File - In this undated photo provided by Stanford University, assistant football coach Willie Taggart is shown. A person with knowledge of the decision says winless Western Kentucky has hired Taggart as its football coach Monday, Nov. 23, 2009. The person spoke to The Associated Press on condition of anonymity because the school has not announced the decision. A news conference is scheduled for later in the day.(AP Photo/Stanford University)
AP poll: Kansas ... Kansas forward Markieff Morris (21) blocks a shot by Central Arkansas forward Mitch Rueter (34) during the second half of their NCAA college basketball game Thursday, Nov. 19, 2009, in Lawrence, Kan. Kansas beat Central Arkansas 94-44. (AP Photo/Orlin Wagner)
No. 9 OSU tops M... Ohio State recovers a fumble by Michigan quarterback Tate Forcier in the end zone for a touchdown during the first quarter of an NCAA football game in Ann Arbor, Mich., Saturday, Nov. 21, 2009. (AP Photo/Carlos Osorio)
Johnson takes po... Driver Jimmie Johnson smiles in the garage as he waits to drive practice laps at the Homestead-Miami International Speedway in Homestead, Fla. on Friday, Nov. 20, 2009, as he prepares for Sunday's NASCAR Sprint Cup Ford 400 auto race. (AP Photo/Lynne Sladky)
Knicks' Answer: ... FILE - In this Nov. 6, 2009, file photo, Memphis Grizzlies' Allen Iverson brings the ball upcourt against the Los Angeles Lakers during an NBA basketball game in Los Angeles. The Grizzlies announced Monday, Nov. 16, in a statement that the team has ended its one-year contract with the 10-time All-Star and former league MVP in what it called a mutual agreement. (AP Photo/Lori Shepler, File)
Hogan's 51-yard ... Houston quarterback Case Keenum, left, runs away from pressure by Tulsa's James Lockett during the first half of an NCAA college football game in Tulsa, Okla., on Saturday, Nov. 7, 2009. (AP Photo/David Crenshaw)
LeBron gets 33 i... Cleveland Cavaliers' LeBron James (23) shoots over New York Knicks' Larry Hughes (0) during the second period of an NBA basketball game on Friday, Nov. 6, 2009, in New York. (AP Photo/Kathy Kmonicek)
Phillies' bid fo... Philadelphia Phillies' Ryan Howard reacts after striking out during the eighth inning of Game 6 of the Major League Baseball World Series against the New York Yankees Wednesday, Nov. 4, 2009, in New York. (AP Photo/Kathy Willens)
UConn's Moore le... FILE -- This is a March 5, 2009, file photo showing Virginia's Monica Wright (22) driving past Virginia Tech's Nikki Davis (12) during the second half of Virginia's 66-57 win in an NCAA college basketball game at the Atlantic Coast Conference women's tournament in Greensboro, N.C. Wright was selected to The Associated Press' Preseason All-America team, Tuesday Nov. 2, 2009. (AP Photo/Chuck Burton, fILE)