The 2009 Big 12 Conference baseball tournament was held at AT&T Bricktown Ballpark in Oklahoma City, Oklahoma, United States, from May 20 to May 24, 2009. This was the fourth year the conference used the round robin tournament setup. The winners of each group at the end of the round robin faced each other in a one-game match for the championship. The Texas Longhorns defeated the Missouri Tigers, 12–7 to win the championship. Regular Season Standings Source: Colorado and Iowa State did not sponsor baseball teams. Tournament Missouri advances due to tournament tiebreaker. Texas advances due to tournament tiebreaker. Oklahoma State and Nebraska did not make the tournament. All-Tournament Team See also College World Series 2009 College World Series NCAA Division I Baseball Championship 2009 NCAA Division I baseball tournament Big 12 Conference baseball tournament References 2009 Big 12 Tournament Tournament Big 12 Conference Baseball Tournament Big 12 Conference baseball tournament Big 12 Conference baseball tournament Baseball competitions in Oklahoma City College sports tournaments in Oklahoma