 In 2008 Tulsa funded 39 @.@ 2 million to build a new ballpark in the Greenwood District near downtown for its Class AA Texas League baseball team , the Tulsa Drillers . The ground breaking was held on December 19 , 2008 . ONEOK bought the naming rights for 10 million for the next 25 years . The first game at ONEOK Field was held on April 8 , 2010 . Country music star Tim McGraw threw out the first pitch . 
