OMAHA, Neb. — Brandon Dixon's tiebreaking double started a three-run ninth inning for Arizona, and the Wildcats won their first national title since 1986 with a 4-1 victory over two-time defending champion South Carolina on Monday night.James Farris and Mathew Troupe held the Gamecocks to three hits as the Wildcats won their fourth title overall. The others came in 1976 and 1980.Dixon, who entered as a defensive replacement in the sixth inning, sent a grounder down the third-base line past LB Dantzler's outstretched glove for his first hit of the CWS.Tyler Webb relieved Matt Price, and Trent Gilbert drove in his second and third runs of the game with a two-out single."We were extremely fortunate to get away with this victory," Arizona coach Andy Lopez said.South Carolina had been trying to become the first team since Southern Cal in the early 1970s to win three national titles in a row.Lopez, who won a national championship at Pepperdine in 1992, became the second coach to win a Division I baseball title at two different schools. Augie Garrido was the first, winning three at Cal State Fullerton and two at Texas.Arizona rightfielder Robert Refsnyder was named CWS Most Outstanding Player. Football PLAYOFF MOVING FORWARD: The BCS commissioners will present their four-team playoff proposal to the 12 university presidents on the presidential oversight committee today in Washington. The committee is headed by Virginia Tech's Charles W. Steger and includes one university leader from each of the 11 major football conferences, and independent Notre Dame. CITRUS BOWL UPGRADE: Orlando Mayor Buddy Dyer and Orange County Mayor Teresa Jacobs announced a plan that will finance a projected $175 million facelift for the 76-year-old Florida Citrus Bowl, which hosts the Capital One Bowl and Russell Athletic Bowl games annually. Orlando officials hope the renovated facility will be able to host a national championship game or one of the new playoff games. MISSOURI: The school unveiled its long-promised plans to upgrade athletic facilities as it moves to the SEC. An athletics master plan released by the school calls for adding at least 6,000 seats at Memorial Stadium, which has a capacity of 71,004. NORTH CAROLINA: The son of former coach Butch Davis will be a walk-on quarterback under new coach Larry Fedora. Drew Davis had planned to play for the Tar Heels before the school fired his father amid an NCAA investigation of improper benefits and academic misconduct within the program. Basketball OBITUARY: Former Houston star Ted Luckenbill, who played in Wilt Chamberlain's 100-point NBA game, died of cancer Sunday in Dallas. He was 72. Mr. Luckenbill played for the Cougars from 1958-61. In 1962 his two offensive rebounds in the final two minutes helped Chamberlain hit 100 for the Philadelphia Warriors.