Missouri's Irwin wins Big 12 outdoor 800-meter championship

Monday, May 17, 2010 | 5:23 p.m. CDT; updated 11:25 p.m. CDT, Monday, May 17, 2010

COLUMBIA — Ten years ago, Derrick Peterson won the last Big 12 Conference 800-meter championship for Missouri. Before Blake Irwin ran the same race over the weekend he asked Peterson, now an assistant coach at Missouri, for advice.