Former Union AD undergoes surgery
[gtxvideo vid="AAjhocXu" playlist="" pid="OTSe9U1y" thumb="http://player.gtxcel.com/thumbs/AAjhocXu.jpg" vtitle="Blackstock Surgery 630”] JACKSON, Tenn. - Former Union University athletic director David Blackstock is dealing with a severe bleeding in his brain, according to the school's news release. Blackstock had surgery on Thursday afternoon at…