If Shaquille O'Neal and Charlie Mack do end up throwing hands in a celebrity boxing match later this year ... none other than Roy Jones Jr. has called dibs on refereeing it!!
The legendary pugilist said in a video statement to TMZ Sports this week he'll don the zebra stripes if and when Shaq and Mack lace up the gloves.
"If that jumps off," he told us, "I'ma definitely be the referee. Without question.