LAFAYETTE, La. -- Alfonso Rivas III went 2 for 4 with two RBIs and retired the final two Sam Houston State batters to help Arizona beat the Bearkats 6-5 on Sunday night in an elimination game at the NCAA Tournament's Lafayette Regional.
The Wildcats (40-21) will face top-seeded Louisiana Lafayette (43-19) on Monday.
Josh Biles' RBI double in the second gave Sam Houston State (42-22) a 1-0 lead, but the Wildcats scored in each of the next four innings -- capped by a two-RBI triple by Rivas that made it 6-2 in the sixth.
The Bearkats used four singles and a walk to plate three run in the seventh before Arizona's Kevin Ginkel retired five-straight batters and Rivas closed it out for his second save.
Cesar Salazar went 2 for 4 with an RBI and a run scored, and Zach Gibbons scored twice for Arizona.
Earlier Sunday, Louisiana Lafayette beat Arizona 10-3.
Stefan Trosclair hit a solo homer as part of a 2 for 3, three-RBI day. Kyle Clement and Brad Antchak both added a pair of hits as ULL victimized Arizona starter JC Cloney for six earned runs on seven hits and two walks over 3 2/3 innings.
Gunner Leger allowed three runs on five hits over five innings for ULL, and Jevin Huval provided four innings of shutout relief with six strikeouts.
Cody Ramer hit a two-run homer for Arizona and Zach Gibbons added a pair of hits.
