Jaime Munguia defends against Liam Smith on Sat. on HBO

By Jeff Aranow: Knockout artist Jaime Munguia (29-0, 25 KOs) will be making his first defense of WBO junior middleweight title this Saturday night against former WBO 154lb belt holder Liam "Beefy" Smith (26-1-1, 14 KOs) on HBO World Championship Boxing at the Hard Rock Hotel in Las Vegas, Nevada.