Wrestlezone.com is reporting that Rey Mysterio appeared to have injured his knee at last night's Raw house show event in Salt Lake City.
While there is no confirmed injury, I must note that Wrestlezone.com also said Rey was limping his way backstage immediately following the match. WWE has not given word on his current injury status.
There are two house show events before Monday Night Raw, so we'll see what the condition of Rey's knee really is.
Currently, Mysterio is rumored to have a SummerSlam match with the Miz, according to Wrestlezone.com. After losing the WWE title to John Cena two weeks ago, no current feud is in place for Rey.
Hopefully this isn't serious, because WWE has a Mexican tour this fall and Mysterio will definitely be needed.
More on this story as it evolves.