Freddy Hernandez remained in the welterweight title hunt with an impressive fourth-round knockout of former junior lightweight titleholder Mike Anchondo on Saturday in Primm, Nev.

Anchondo, who had a five-inch height disadvantage, fought aggressively but was too easy to hit and couldn’t handle the power in Hernandez’s consistent right hand.

Hernandez (31-2, 19 knockouts) wobbled Anchondo (30-3, 19 KOs) with a hard right to the chin early in the fourth round and put him down seconds later with barrage of punches. Anchondo got up and was able to hold on for a while but never fully recovered. Referee Robert Byrd ended it at 1:38 with Anchondo taking unanswered punches against the ropes.

Hernandez has now had impressive victories in back-to-back fights, having stopped DeMarcus Corley in five rounds in February.

The Los Angeles-based Mexican hopes to get a shot at Andre Berto’s title, although Berto has been negotiating with Selcuk Aydin for a bout on the Juan Manuel Marquez-Michael Katsidis card on Nov. 27 in Las Vegas.

Hernandez, 31, has never fought for a belt.

In a preliminary bout, Luis Franco, another Olympian who defected from Cuba last year, defeated Wilton Hilario by a unanimous decision in an eight-round junior lightweight bout.

Franco (7-0, 5 KOs) didn’t have an easy time against Hilario (12-2-1, 9 KOs), who was warned for repeated head butts and low blows but also never stopped attacking Franco. However, the Cuban withstood the pressure and was always in control.