SURPRISE (Interstat) — West Virginia used a three-run sixth inning and capitalized on three Arizona State errors to defeat the Sun Devils 7-3 on Friday in the Big 12 Baseball Championship.

The Mountaineers improved to 39-13. The Sun Devils fell to 37-19.

Arizona State scratched out the game’s first run in the top of the fourth. Nu’u Contrades tripled to right center and scored on Dean Toigo’s two-run home run to deep right field, his 17th of the season, giving the Sun Devils a 3-1 lead.

West Virginia had taken a 1-0 lead in the bottom of the second. Sean Smith doubled to left and scored on a single to left by Brodie Kresser.

The Mountaineers answered in the bottom of the sixth. After a pitching change, Smith singled up the middle, Matthew Graveline singled to left and Armani Guzman singled to left to drive in Smith, cutting the deficit to 3-2. A wild pitch moved Guzman to second and Graveline to third. Kresser then reached on a throwing error by shortstop PJ Moutzouridis, allowing Graveline and Guzman to score and giving West Virginia a 4-3 lead.

Arizona State had a chance to tie in the top of the eighth. Contrades reached on a fielder’s choice, advanced to second on a fielding error by center fielder Paul Schoenfeld and to third on a flyout, but Austen Roellig struck out looking to end the threat.

The Mountaineers added three unearned runs in the bottom of the eighth. After a walk to Guzman, Kresser singled to center and a throwing error by center fielder Landon Hairston allowed Guzman to score and Kresser to advance to third. Following a strikeout, Tyrus Hall singled through the left side to drive in Kresser. Hall then stole second and scored when catcher Brody Briggs threw the ball into center field. Hall’s run was confirmed on a replay challenge by Arizona State.

The Sun Devils managed only three hits in the game. In addition to Contrades’ triple and Toigo’s home run, Matthew Polk singled to right in the ninth. Toigo drove in two runs. No other Arizona State batter had a hit; Landon Hairston went 0 for 4, Dominic Smaldino 0 for 3, Austen Roellig 0 for 3, Coen Niclai 0 for 2, Garrett Michel 0 for 1 and Brody Briggs 0 for 4.

West Virginia amassed 11 hits. Smith had two hits and scored twice. Guzman had two hits, one RBI and scored twice. Kresser had two hits and two RBIs. Graveline had two hits. Hall had one hit, one RBI and a stolen base.

The game was the fourth meeting between the teams this season. West Virginia won two of three in Tempe in March, and Arizona State took the series opener 14-4 on March 27.

West Virginia was listed as a slight favorite by oddsmakers, with the over-under set at 9.5 runs.