LAS VEGAS — Fernando Vargas Jr. suffered a crushing defeat to Callum Walsh in a 10-round super welterweight fight on September 13, 2025, ending his undefeated streak on the Canelo Alvarez-Terence Crawford undercard at Allegiant Stadium. The loss, Vargas Jr.’s first in 18 professional bouts, sparked a frenzy on X, with posts like @WorldBoxingNews’ scorecard updates amassing 200,000 views.
Vargas Jr., 28, fought hard but couldn’t match Walsh’s sharp punches and footwork. The Irish fighter won by unanimous decision, with judges scoring 98-92, 97-93, and 99-91. “I’ll come back stronger,” Vargas Jr. told Boxing News 24 after the fight, his record now 17-1 with 15 knockouts. Walsh, trained by Freddie Roach, improved to 12-0, cementing his rising star status.
Fans on X were stunned. “Vargas fought hard, but Walsh was unreal!” posted @BoxingFanatic, earning 40,000 likes. Others, like @FightFan22, praised Vargas Jr.’s grit, writing, “He’s still a champ in my book.” The son of former world champion Fernando Vargas Sr., he carried the family legacy into the ring, backed by brothers Emiliano and Amado, who were ringside.
The high-energy bout, part of a star-studded card, drew praise for Vargas Jr.’s heart despite the loss. “Fernando showed he belongs at this level,” said promoter Tom Loeffler to Boxing Scene. With rumors of a Dana White-backed Zuffa Boxing fight next, Vargas Jr.’s setback has fans buzzing about his comeback. As clips of Walsh’s victory circulate on X, the boxing world eagerly awaits the young fighter’s next move.