Kerry Sloan, a world-class masters hurdler, faces a minimum of 10 years in prison after cutting a plea deal in his underage sex case, according to the feds in Oklahoma. Here’s how a TV station reported the news: TULSA, Oklahoma — A private track coach and retired U.S. Army sergeant first class from Killeen said in a plea agreement he sexually assaulted a 17-year-old girl during a trip to Tulsa, Oklahoma, to meet with college coaches, the Department of Justice said in a press release. Kerry Sloan, 56, pleaded guilty Tuesday to transporting a minor with intent to engage in…