OKLAHOMA CITY (March 15, 2011) – Baseball fans, don't miss the excitement of the 2011 Phillips Big 12 Baseball Championship! The championship is returning to a double -elimination format this year, so mark your calendars, because all-session tickets are now on sale.

The Phillips 66 Big 12 Baseball Championship will be held at the RedHawks Field in downtown Oklahoma City from May 25-29. The first game begins at 9:00 a.m. on May 25, and the games continue until the championship game at 1:00 p.m. May 29.

All-session tickets are valid throughout the championship, and prices range from $87 for terrace reserved to $117 for field box seating to $202 for club-level seats. A limited number of weekend passes are also available starting at $67. All-session tickets include all games, including the if-necessary games, totaling 15 games. Single-session tickets will be available the week of the event.

This year, the championship will return to its roots of the double-elimination bracket and bring excitement back to fans. The competition will consist of two, four-team brackets with the winners facing off in the championship game on Sunday, May 29 at 1:00 p.m.

Tickets for the 2011 Phillips 66 Big 12 Baseball Championship may be purchased by calling the Oklahoma City RedHawks Box Office at (405) 218-1000 or online at www.ticketreturn.com. For more information, please visit www.Big12Sports.com and www.okcallsports.org.  You may also contact Kati O'Kelley, Public Relations and Event Specialist for Oklahoma City All sports, at (405) 236-5000 or This e-mail address is being protected from spambots. You need JavaScript enabled to view it .

Events hosted by the Oklahoma City All Sports Association benefit Oklahoma City by providing quality athletic competition, family entertainment and a boost in the city's economy. At the same time, the events garner widespread attention and attract visitors from around the globe to Oklahoma City, which provides $30-70 million in new money for Oklahoma City's economy each year.