Tonight's Royal Rumble Pay-Per-View is just hours away and as of this writing only 23 wrestlers have been confirmed for the big 30 man battle royal match.

Last year's Rumble featured the surprise return of John Cena and WWE has at least one surprise entrant planned for the Rumble.

I can now 100% CONFIRM that former WWE and ECW champion Rob Van Dam is backstage in Detroit, Michigan and will be part of tonight's Royal Rumble. RVD is originally from nearby Battle Creek, Michigan and is sure to get a huge reaction from his hometown crowd.

This will be RVD's second surprise WWE return, as we last saw him at the RAW 15th anniversary special, defeating Santino Marella in an unannounced match.