WWE has confirmed on their website that Tyson Kidd suffered some sort of injury in the RAW dark match with Samoa Joe last Monday. They wrote the following on their website:

“Tyson Kidd sustained an injury while competing in a non-televised match against Samoa Joe last Monday night, June 1, in San Antonio. As the former WWE Tag Team Champion continues to be evaluated, check back with WWE.com for the latest information on Kidd’s condition.”