Kirk Herbstreit reveals the health scare that started with a calf problem

ESPN analyst Kirk Herbstreit is opening up about a health scare that started with what he thought was an injury to his calf and became something far more serious. During an appearance Thursday on “The Pat McAfee Show,” Herbstreit said doctors discovered that blood clots had traveled from his calf through his bloodstream and into his lungs, The Spun said.