According to an article posted on Hanooki News; EXO WILL BE ON RUNNING MAN WITH RYU HYUN JIN (BASEBALL PLAYER WHO PLAYS FOR LA DODGERS) AS HIS, and I quote "HELPERS". What that means exactly I have no idea. The source is legit though, so speculate away....
SOURCE: Hankooki News
Image Credits: avell-do Polar Light WITH_CHEN