Jesus “Mono” Ramos Jr. versus Shane Mosley Jr. Set for Saturday, December 6, 2025, at the Frost Bank Center in San Antonio, Texas, this is a 12-round showdown for the vacant WBC Interim Middleweight Title. Broadcast live on PBC PPV via Prime Video at 8 p.m. ET, the card also features title clashes like Erislandy Lara defending his WBA crown and O’Shaquie Foster putting up his WBC super featherweight belt against Stephen Fulton Jr. But make no mistake: Ramos-Mosley steals the spotlight as a potential launchpad for the division’s next big thing.

At 24 years old, Ramos enters as the prodigy with everything to prove and the world at his feet. Mosley, 33 and carrying the weight of his Hall of Fame father’s shadow, represents the grizzled veteran chasing redemption. 

With Ramos installed as a heavy -1200 favorite on sports books  and Mosley a live +650 underdog, the oddsmakers see a mismatch on paper. But boxing’s cruel beauty lies in its unpredictability—can the young gun claim his first world title, or will the elder statesman pull off the upset of the year?

Breaking Down The Fighters

Jesus “Mono” Ramos Jr. (23-1, 19 KOs) is the epitome of modern boxing’s youth movement: a 5’10” southpaw from Casa Grande, Arizona, with a compact frame built for demolition. Nicknamed “Mono” after the cartoonish monkey that mirrors his explosive, high-energy style, Ramos turned pro at 17 and has been a wrecking ball ever since. His lone blemish? A controversial majority decision loss to veteran Steve Nelson in 2022, a fight many ringside observers scored in his favor. Since then, he’s rattled off seven straight wins, four by stoppage, showcasing the evolution of a fighter who’s outgrown the 154-pound junior middleweight ranks.

Ramos’s toolkit is as diverse as it is devastating. He thrives as a high-volume pressure fighter, stalking opponents with a piston-like jab that sets up whipping left hands and thudding body shots. At middleweight, where he debuted with an eighth-round stoppage of faded ex-champ Jeison Rosario in February 2025, the extra pounds have amplified his power without sapping his speed. His footwork is deceptive—quick pivots and angle creation allow him to cut off the ring like a matador, forcing foes into phone-booth warfare. Defensively, he’s no slouch; his southpaw stance confounds orthodox fighters, and he slips punches with a serpentine head movement honed under trainer Ismael Salas.

Recent form underscores his trajectory: A seventh-round TKO of Guido Emmanuel Schramm in March 2025 at 154 pounds highlighted his adaptability, as he dropped back down on short notice and dismantled a durable Argentine. Ramos has fought twice in a 50-day span this year, proving his chin and conditioning are championship-caliber. Weaknesses? He’s occasionally overaggressive, leaving openings for counters, and his experience against elite movers is limited. But at 114 pro rounds deep, he’s a live wire ready to ignite. As Ramos himself put it during fight week: “I’ve got tools I haven’t shown yet. My jab will mute him, and I’ll be the first to stop Mosley Jr.”

Shane Mosley Jr. (22-4, 12 KOs) carries the pedigree of a legend—his father, “Sugar” Shane Mosley, was a three-division champion and pound-for-pound terror in the early 2000s. At 6’1″ with a 75-inch reach, the younger Mosley wields those gifts like a surgeon’s scalpel: precise, patient, and punishing from range. An orthodox stylist out of Big Bear, California, he’s a classic boxer-puncher, using feints, shoulder rolls, and lateral movement to dissect opponents before unloading combinations. His power is sneaky—12 knockouts in 22 wins, including a career-highlight unanimous decision over former middleweight champ Daniel Jacobs in 2023—but he’s never been stopped, a testament to his granite chin and ring IQ.

Mosley’s resurgence is the stuff of redemption arcs. After a 1-2 skid in 2021-22 that included a stoppage loss to David Estrada, he rebounded with four straight victories, two against notable names like Gabriel Rosado and D’Mitrius Ballard. These wins showcased his growth: improved jab usage to control distance, better body work to sap gas tanks, and a newfound maturity in picking shots. At 145 pro rounds, he’s the more battle-tested of the two, with experience against southpaws and pressure fighters alike. His height and reach (a five-inch edge over Ramos) could prove pivotal, allowing him to potshot from the outside and frustrate the shorter man’s advances.

That said, Mosley’s flaws are glaring under scrutiny. At 33, questions linger about his punch resistance after eating clean shots from lesser foes, and his output dips in later rounds when pressed. He’s been criticized for pacing fights too conservatively, turning potential barnburners into track meets. This bout marks his deepest dip into title contention, but the pressure of living up to “Sugar” Shane—combined with a three-year layoff scare earlier in his career—has left emotional scars. Mosley knows this is do-or-die: “It’s the biggest fight of my life,” he admitted. A win catapults him toward full WBC king Carlos Adames; a loss risks fading into journeyman obscurity.

The Styles Make the Fight: Pressure vs. Precision

Ramos’s forward-marching aggression will test Mosley’s vaunted defense early, expect the southpaw to close distance with feinted jabs and hooks to the body, aiming to herd Mosley into the ropes. Mosley, meanwhile, will circle the perimeter, using his reach to pepper Ramos with rights over the jab and straight lefts to the head. The first four rounds could be a feeling-out process, with Mosley banking on cardio to wear down Ramos in the championship rounds. But if Ramos lands that thudding left cross clean—as he did against Rosario—the fight could end abruptly. Mosley’s never been stopped, but Ramos’s power at 160 has a different bite.

Intangibles tilt toward Ramos: Youth, momentum, and the motivation of his middleweight glow-up. Mosley’s experience is an asset, but so is the narrative of shaking his father’s ghost. San Antonio’s pro-Mexican crowd will roar for Ramos, adding fuel to his fire. Odds aside, this has upset potential if Mosley boxes flawlessly.

Official Pick: Ramos Jr. by TKO in Round 9

Jesus Ramos Jr. wins by TKO in the ninth. The prodigy overwhelms with volume and power, cracking Mosley’s armor after a tactical chess match. Mosley hangs tough through eight, but Ramos’s body work and relentless pressure force a stoppage as the veteran fades. This victory crowns Ramos the interim champ and sets up a monster clash with Adames in 2026—cementing “Mono” as middleweight’s new face. Tune in; boxing’s future starts Saturday.

By Vincent

Photo courtesy of Premier Boxing Champions