Trailing 8-2 heading into the bottom of the seventh, the Wildcats scored seven runs in the inning to take a tentative 9-8 lead. Arizona sent 12 batters to the plate in the frame and tallied six hits, including a pair of two-run singles by Lee Franklin and Jeff Van Houten.
Keyed by a two-run double by Tony Calderon, the Beavers responded with five runs in the top of the eighth to recapture the lead at 13-9. Arizona relievers Mark Worrell and John Meloan gave up a combined four hits and three walks in the frame to let OSU back into the game.
Arizona made another charge in the bottom of the inning to cut the 13-9 lead to two on Moises Duran's RBI ground out and Dallas Haught's solo home run.
John Hardy's two-out single to right in the ninth scored Nick Hundley to move Arizona within one at 13-12, but the sophomore shortstop was caught stealing on a 2-2 pitch to pinch hitter Joe Frazier to end the game.
Worrell (2-4) was charge with his fourth loss of the season after giving up three runs on two hits in just a third of an inning. OSU's Noel Clark (1-0) picked up his first win of the year and Nathan Pendley closed out the win for his first save.
Arizona, which used 22 of the 25 players eligible for the game in the contest, tallied 15 hits to OSU's 13. Freshman Hundley led all Arizona players with a 3 for 5, two-RBI, two-run day at the plate. Junior Brian Anderson and sophomore Jeff Van Houten finished 2 for 4 and 2 for 5, respectively. Franklin, who entered the game in the seventh, finished 2 for 2 with a pair of RBIs and two runs scored.
OSU's Seth Pietsch went 3 for 3 with a home run and three runs scored for the Beavers in the win.
The Wildcats, who closed out their home regular season with Monday's loss, travel to Arizona State this Friday-Sunday for the final three games of the regular season. Game times for the three-game series with the Sun Devils are 7 p.m., 7 p.m. and 1 p.m. All three games can be heard live on the radio on KNST (790-AM).
Game Two: UA 9, Oregon State 4 TUCSON, Ariz.- Junior Moises Duran hit a pair of home runs and classmate Sean Rierson tossed his team-leading fourth complete game of the season as the No. 17-ranked Arizona baseball team clinched its seventh Pac-10 series win of the season with a, 9-4, victory over Oregon State at Frank Sancet Field on Sunday. The win improved Arizona to 35-17 overall and 13-7 in the Pac-10. The 35 overall victories this season equal the most wins for an Arizona team since 1993 and the 13 Pac-10 victories are the most since the 1999 team went 13-11 in conference play.
Oregon State fell to 22-28 overall and 6-17 in the Pac-10 with the loss.
Duran, who finished the game 4 for 5 with three RBIs and three runs scored, broke open the scoring for Arizona in the bottom of the first with his team-high-tying 14th home run of the season. The solo home run to left was the first surrendered by OSU starter Jake Postlewait (4-1) this season and gave Arizona a 1-0 edge.
Duran, who had doubled and scored in Arizona's two-run third, broke his tie with Brian Anderson for the team lead in homers with a two-run blast to center in the fourth to help Arizona to a 7-1 lead.
The early offensive outburst was all Rierson (9-1) needed, as the right-hander went the distance for the seventh time in his career. The junior gave up three earned runs on eight hits with seven strikeouts and no walks for his team-high-tying ninth win of the season. The zero-walk outing was the 13th of Rierson's career and his fourth this year alone.
Including Duran's 4 for 5 night, Arizona rapped out 14 hits in the game, including six for extra bases. Sophomore John Hardy continued his late season surge, finishing 3 for 4 with a RBI and a run scored. Freshmen Derek Decater and Chris Frey each paired hits in the game. Decater finished with two runs scored and Frey with a pair of doubles.
Junior Dallas Haught, who has 12 hits this season, launched his sixth home run of the year in the second inning. All three of Haught's hits in Pac-10 play have gone over the fence for home runs.
Arizona will look to complete its first Pac-10 series sweep of the season in the series finale with the Beavers on Monday. First pitch is scheduled for noon and the game can be heard live on the radio on KNST (790-AM).
Note: Stanford clinched the 2003 Pac-10 championship with a 9-8 win over UCLA in Palo Alto on Sunday. Arizona is currently tied with Arizona State (47-11, 13-7 Pac-10) for second place in the conference standings.
Game One: UA 20, Oregon State 6 TUCSON, Ariz.- The Arizona baseball team took one step closer to earning its first postseason birth since 1999 with a 20-6 thrashing of Oregon State at Frank Sancet Field on Saturday. The win improved Arizona's overall record to 34-17 and pulled the Wildcats into a second place tie in the Pac-10 standings with rival Arizona State at 12-7. Oregon State fell to 22-27 overall and 6-16 in the Pac-10 with the loss. The Wildcats rapped out 21 hits in the contest and scored runs in seven of the eight innings they came to bat. All nine of the Arizona starters finished with at least one hit in the game with the 4 through 9 hitters going a combined 18 for 30 with 17 RBIs and 14 runs scored.
Individually, sophomore Jeff Van Houten, who entered the game batting .403, improved his team-leading batting average 16 points to .419 with a 5 for 5 night at the plate. The second-year starter finished the game with a double, a triple, four RBIs and four runs scored.
Right-hander Richie Gardner (9-1) picked up his team-high ninth win of the season with eight solid innings of work on the mound. The junior allowed just four earned runs on eight hits, while striking out four and walking two. Junior Scott Burns tossed the final inning to close out the win.
OSU's Ben Rowe (3-7) was charged with the loss after giving up 10 runs, eight earned, on 11 hits in five innings.
Arizona and Oregon State meet up for the second game of the three-game set on Sunday at 7 p.m. Monday's game time has been changed from the originally scheduled 1 p.m. first pitch to noon. Both games can be heard live on the radio on KNST (790-AM).