Andy Ruiz is closing in on a rematch against Anthony Joshua, but the biggest question surrounding the rematch is whether Ruiz can pull off the upset again.
Ruiz, 29, from Imperial, Calif., shockingly knocked out the previously undefeated Joshua, 29, from England, on June 1 at Madison Square Garden in New York.
It wasn't easy.
After winning the first two rounds with his jab, Joshua had Ruiz on the canvas in the third. But Ruiz got off the ground and stormed back to knock Joshua down twice during the same round before going on to pick up two more knockdowns in the seventh to get the stoppage win.
In the end, Ruiz pulled off one of the biggest upsets in boxing history. Now, everyone wants to know just one thing: Can he do it again?
Here are five reasons he might.