OMAHA, Neb. (AP) -- Brandon Dixon's tie-breaking 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 combined to limit the Gamecocks to three hits as the Wildcats won their fourth title overall. The others came in 1976 and 1980.
Dixon, who entered the game 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 (5-5), and Trent Gilbert drove in his second and third runs of the game with a two-out single that broke open the game.
"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 the Southern California dynasty of 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.
Down three runs in the bottom of the ninth, South Carolina loaded the bases against Troupe (6-1) on two walks and a single.
With one out, Tanner English sent a line drive up the middle that second baseman Trent Gilbert gloved. Gilbert rushed to the bag to double off Dantzler, but Dantzler got back just in time.
Grayson Greiner then flied out to right fielder Robert Refsnyder on a 2-1 pitch, sparking a rush of Arizona players to the middle of the field for the celebratory pile-on.
Dixon, batting .242 for the season, had been 0 for 7 with three strikeouts in his previous CWS at-bats. As usual, he replaced first baseman Joseph Maggi in the middle innings and got his opportunity in the ninth after CWS Most Outstanding Player Refsnyder singled leading off the ninth.
Farris and Michael Roth engaged in a pitcher's duel through the first seven innings.
Arizona scored in the third after Maggi doubled leading off, moved to third on Riley Moore's sacrifice and scored on Gilbert's groundout.
It looked as if the one run just might stand for Farris and the Wildcats.
The Gamecocks had only two baserunners through six innings: Christian Walker walked in the first and Dantzler singled in the fourth.
Farris walked Walker again to start the seventh, though, and Walker went to third on Adam Matthews' single to right. Walker scored the tying run on Kyle Martin's grounder back to Farris.
Arizona had runners at first and third with two outs in the eighth when Dantzler short-armed a throw into the dirt after picking up Johnny Field's two-out grounder. Price escaped, getting Alex Mejia to fly out to center on his next pitch.
South Carolina took its turn threatening in the bottom half. Greiner was hit with a pitch, and Chase Vergason tried to move him to second with a sacrifice. But third baseman Seth Mejias-Brean picked up the ball and made a tough throw to second to get the lead runner.
Vergason ended up on third when he stole second as Evan Marzilli swung at strike three, with Moore's throw sailing into center field. It was the first steal against the Wildcats in the CWS.
Lopez, who had expressed doubts about his bullpen all week, called on Troupe to relieve Farris. The freshman right-hander got ahead 0-2 on Joey Pankake, then ran the count full before catching the freshman looking at strike three.
Troupe pumped his right fist, adjusted his glasses and then trotted to his dugout after the biggest strikeout of his career.
For the second straight night Arizona shut down a South Carolina team that struggled offensively after beating Florida 7-3 in its CWS opener.
Konner Wade limited the Gamecocks to six hits in a complete-game, 5-1 victory in Game 1 on Sunday.
South Carolina entered Game 2 with a .197 batting average (30 for 152) over its previous five games, a stretch in which it scored just 11 runs.