"He does, in fact, have a concussion. His [symptoms] are starting to improve a little bit today. He will be seing a neuropsychologist in Pittsburgh for further evaluation, and then his status will be day-to-day as his symptoms improve."WWE.com provides an update from doctor Chris Amann on Dolph Ziggler's condition following the concussion he suffered during a match against Ryback at a Superstars taping on Monday night (Jan. 6, 2014) in Baltimore. Best of luck to Ziggler during this time.