The Oklahoma State baseball team has won six Big 12 games in a row as it heads out west to take on Arizona State beginning on Friday. The Cowboys have swept their last two Big 12 series, including a thrilling three-game set at home last weekend against TCU. The streak has helped the Cowboys improve their standing in the Big 12 with two series remaining before the league’s best teams head to Surprise, Ariz., for the Big 12 Tournament.   OSU heads into the series in fifth place in the conference and Arizona State is one of the teams that that the Cowboys are chasing. Here is a preview of the series, with the schedule, TV information and more. TCU at Oklahoma State Oklahoma State's Brennan Phillips. | BRYAN TERRY/THE OKLAHOMAN / USA TODAY NETWORK via Imagn Images Where: Phoenix Municipal Stadium Schedule Game 1: 8 p.m. CT Friday, ESPN2 Game 2: 8 p.m. CT Saturday, ESPN2 Game 3: 3 p.m.…