The WWE has tweeted from their official Twitter account that Alberto Del Rio suffered a concussion during his match against Sin Cara on Monday Night RAW. INJURY UPDATE: @VivaDelRio suffers concussion vs. Sin Cara on @WWE #RAW. Details: http://t.co/fU7eRQ5ggE ? WWE (@WWE) December 10, 2013 Alberto Del Rio confirmed that he suffered the injury as a result of a top-rope sunset flip powerbomb. Following some initial testing, WWE physician Dr. Chris Amann diagnosed Del Rio with a concussion and will be re-evaluating him tomorrow, as well as administering an ImPACT test to determine a timetable for the former World Heavyweight Champion?s recovery.