STILLWATER -- The Bixby Spartans defeated the Ponca City Wildcats 8-4 Wednesday in an elimination game in the Class 6A Regional Tournament. With the loss, Ponca City’s season ended. Bixby scored two in the second inning and three in the third to take control of the game. The Spartans added three in the sixth. Ponca City picked up one run in the fourth, one in the fifth and two in the seventh. …