Boxing Match Preview: Jerwin Ancajas (36-4-2, 24 KOs) vs. Ruben Dario Casero (13-4-0, 5 KOs)

Date: Saturday, August 2, 2025
Venue: Thunder Studios, Long Beach, California
Broadcast: MarvNation via BXNG.com
Division: Super Bantamweight (122 lbs)
Scheduled Rounds: 8
Sanctioning Bodies: WBO (#5 Ancajas), IBF (#6 Ancajas), WBA (#8 Ancajas)

Tale of the Tape

Fighter	Record	KOs	Age	Height	Stance	Ranking
Jerwin Ancajas	36–4–2	24	33	5′6″	Southpaw	WBO #5
Ruben Dario Casero	13–4–0	5	32	5′7″	Orthodox	N/A

Fighter Profiles & Recent Form

Jerwin “Pretty Boy” Ancajas

Former IBF junior bantamweight champion (2016–2022)

Lost back-to-back fights to Kazuto Ioka and Naoya Inoue, prompting a move up to 122 lbs

Recent training camp included sparring with Manny Pacquiao, Mark Magsayo, and Eumir Marcial

Last fight: UD win over Jonathan Rodriguez (Feb 2025)

Ancajas is looking to reestablish himself in the super bantamweight division. With top-10 rankings across three sanctioning bodies, this bout is a strategic step toward a title shot.

Ruben Dario “Cachorro” Casero

Former WBC South American champion

Making his U.S. debut

Known for aggressive pressure and high-volume punching

Last fight: TKO win over Federico Penarrieta (May 2025)

Casero is a rugged, forward-moving fighter who thrives in exchanges. While untested at the world level, he’s confident in his ability to disrupt Ancajas’ rhythm.

Style Matchup: Technical Southpaw vs Pressure Fighter

Ancajas: Slick southpaw with excellent timing, body punching, and ring IQ. Prefers to fight at mid-range and counter off angles.

Casero: Orthodox brawler who pushes pace early and looks to overwhelm opponents with aggression.

Keys to Victory

For Ancajas:

Use lateral movement and jab to control distance

Counter Casero’s rushes with straight lefts and body shots

Avoid early firefights and pace himself over 8 rounds

For Casero:

Close the gap quickly and force Ancajas into exchanges

Target the body to slow Ancajas’ footwork

Make the fight messy and physical

Stakes & Career Implications

A win for Ancajas keeps him in line for a world title shot at 122 lbs, potentially against Naoya Inoue or Murodjon Akhmadaliev.

For Casero, an upset would catapult him into international relevance and open doors for future U.S. fights.