Sor Rungvisai, Estrada Make Weight For World 115-Pound Championship

Srisaket Sor Rungvisai and Juan Francisco Estrada both made weight for their highly anticipated HBO headliner Saturday evening at The Forum in Inglewood, California.

With the winner to establish a new lineage as World super flyweight champion, Sor Rungvisai came in at a rock-solid 114.8 pounds, while Estrada was right at the 115-pound divisional limit.

The clash will fill a near-decade long vacancy atop super flyweight, with the division not boasting a lineal champ since Vic Darchiyan moved up in weight for good in 2010. HBO and promoter Tom Loeffler have pushed for the best 115-pound boxers in the world to share ring space, a move motivated by Sor Rungvisai's massive upset—and controversial—split decision win over Roman "Chocolatito" Gonzalez last March to become a two-time alphabet titlist.

The hard-hitting Thai boxer left no doubt in their rematch, scoring a shockingly one-sided knockout win over the former pound-for-pound king last September. The bout topped a "Superfly" tripleheader on HBO that also saw Estrada—a former unified flyweight titlist—score a 10-round win over former 115-pound champ Carlos Cuadras (who faces McWilliams Arroyo in Saturday's chief support).

Also on the September card was the one boxer standing in the way of Sor Rungvisai-Gonzalez II crowning an official 115-pound king, unbeaten two-division titlist Naoyo Inoue. The über-talented boxer from Japan made his U.S. debut in a 6th round knockout of Antonio Nieves, but has since vacated his alphabet title and announced an intention to compete at bantamweight, leaving Sor Rungvisai and Estrada as the top two rated boxers in the division.

The rest of the evening is loaded with former titlists and top contenders both in and just below the division.

Cuadras and Arroyo both easily made weight for their 10-round co-feature clash. Cuadras—who beat Sor Rungvisai in May '14 to win a 115-pound belt before conceding the strap to Gonzalez in Sept. '16—checked in at 114.6 pounds, while two-time flyweight title challenger Arroyo was a trim and ready 114.2 pounds.

In the opening bout of the HBO tripleheader, former 108-pound king Donnie Nietes makes the first defense of his flyweight strap as he faces former long-reigning divisional titlist Juan Carlos Reveco.

Philippines' Nietes (40-1-4, 22KOs)—who is unbeaten in his last 32 starts since suffering his lone loss in 2004, including a lengthy title reign at junior flyweight—weighed 111.4 pounds and was already able to begin the rehydration process while watching his opponent struggle at the scales.

Reveco stripped down to his birthday suit but was still heavy at 112.2 pounds during his initial attempt, but was able to come in right at the 112-pound limit on his second try. The 34-year old from Argentina has won three straight since a Dec. '15 rematch loss to Kazuto Ioka, who ended Reveco's flyweight title reign earlier that year.

In another flyweight title fight on the show, ever-resilient Brian Viloria and Artem Dalakian both checked in at 111.4 pounds for a vacant title bout that will stream live on

Viloria (38-5, 23KOs)—the last remaining active member of the 2000 U.S. Olympic team and a former two-division titlist—has won six of his last seven starts since handing over his pair of flyweight titles to Estrada in their April '13 meet. The lone loss during that stretch came in Oct. '15, suffering a 9th round stoppage at the hands of Gonzalez, who at the time was the unbeaten World flyweight champ and reigning pound-for-pound king.

Dalakian (15-0, 11KOs) is seven years Viloria's junior, but endures by far the biggest challenge of his career while also fighting for the first time outside of his native Ukraine.

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