(Corvallis, OR)  --  Oregon State is the unanimous choice by the coaches to repeat as the Pac-12 baseball champions.  OSU, which is ranked number-two in college baseball preseason polls, will open its season tomorrow against New Mexico in Surprise, Arizona.  The Beavers will play their first seven games at Surprise Stadium, the spring training home of the Royals and Rangers.  OSU won a school record 58 games last season, went 27-and-3 in conference play and advanced to the College World Series in Omaha.