CM Punk takes a challenge?Effect of brand split on WWE referee’s.

CM Punk recently did a ”Running Man Challenge” from Chicago’s United Center,which will host UFC on FOX on 23rd of July.

The Wrestling Observe Live reports that both RAW and SmackDown after the BrandSplit will have two separate referee crews for each of the RAW and SmackDown tapings.As noted SmackDown would be live from 19th of July on USA Network.