It is believed to be part of a storyline, but the official WWE website is reporting that Kevin Owens suffered knee injuries on Raw during his match against Bobby Lashley. 

During the broadcast, Lashley attacked the legs of Owens and used the steel ring post. The website issued the following:

“Kevin Owens sustained injuries to both knees when Bobby Lashley viciously wrapped Owens’ legs around a turnbuckle after their match,” according to the statement from WWE.com. “Owens will undergo further evaluation tomorrow to determine the full extent of the damage.”