WWE pulled Daniel Bryan from a scheduled live event ppearance in Hammond, Indiana on Saturday (1/18). It was announced at the start of the event that Bryan wouldn’t be appearing and that refunds would be offered. Big Show was brought in to replace Bryan. It was reported and confirmed by WWE that Bryan suffered a concussion last Monday night during the RAW taping in Providence. WWE has not publicly commented on the concussion.

Source: Prowrestling.net