Who: Oregon State (41-8 overall, 20-4 Pac-10) vs. Oregon (42-11, 19-5)
Where: PK Park, Eugene
When: Friday 6 p.m., Saturday 2 p.m., Sunday noon
National polls: Oregon State is ranked from No. 3 to 7, Oregon is ranked from No. 6 to 11
RPI: Oregon State 6th, Oregon 8th
Win streaks: Oregon State 12 games, Oregon eight games
Series record since Oregon restored baseball in 2009: Oregon State leads 13-8.
Pac-12 leaders with two weeks to play: Oregon State 20-4, Oregon 19-5, UCLA 17-7, Arizona State 14-10