Kirk Herbstreit: calf issue was a pulmonary embolism
ESPN analyst Kirk Herbstreit says what began as a suspected calf injury turned out to be blood clots that reached his lungs.
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.