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Savannah Marshall: “Silent Assassin” and Undisputed Super-Middleweight Queen

Quick Facts

AttributeDetails
Full birth nameSavannah Rose Marshall
SexFemale
Nickname“Silent Assassin”
Nationality🇬🇧 British (Hartlepool, County Durham, England)
BornMay 19, 1991, Hartlepool, England
Age35 (as of 2026)
DivisionMiddleweight (160 lbs) / Super-middleweight (168 lbs)
Fighting stanceOrthodox
StatusActive
Career span2017–present (Amateur world champion in 2012)
Height5’11½” / 182 cm
Weight168 lbs / 76.2 kg (Super-middleweight limit)
Reach71″ / 180 cm
Total professional fights14
Record13 wins (10 KOs), 1 loss, 0 draws
Knockout ratio71.4% (Highest among modern female champions)
Major titles heldUndisputed Super-Middleweight Champion (WBC, WBA, IBF, WBO, The Ring); Former WBO World Middleweight Champion

The Story

In an era where bravado and theatrical trash talk dominate combat sports headlines, Hartlepool’s Savannah Marshall chose a radically different path: devastating knockout power delivered with stoic, stone-cold silence. Standing nearly six feet tall, Marshall possesses one of the most dangerous right hands in the history of female combat sports, generating concussive power that has dismantled world-class opposition across two weight divisions.

Marshall first etched her name into British sports history as an amateur, becoming Great Britain’s first-ever female AIBA World Champion in 2012 in Qinhuangdao, China. During that tournament, Marshall achieved a feat that no other woman has ever replicated in a boxing ring: she defeated American sensation Claressa Shields, handing “The GWOAT” her only career amateur or pro defeat.

Turning professional in 2017 under Floyd Mayweather’s promotional banner before returning home to train under master coach Peter Fury, Marshall captured the vacant WBO World Middleweight Championship in October 2020 by stopping Hannah Rankin in seven dominant rounds. Over the next two years, Marshall dispatched challenger after challenger with brutal efficiency, including a highlight-reel one-punch knockout of Femke Hermans that sent shockwaves through the division.

In October 2022, Marshall headlined a historic, sold-out O2 Arena card against longtime nemesis Claressa Shields for the Undisputed Middleweight Championship. Over ten frenetic rounds, the two warriors traded ferocious combinations in one of the most-watched female sporting events in UK broadcast history, with Shields taking a hard-fought decision.

True champions, however, are measured by their rebound. In July 2023, Marshall moved up in weight to challenge undisputed super-middleweight queen Franchón Crews-Dezurn in Manchester. In a grueling, gritty battle, Marshall outworked Crews-Dezurn over ten punishing rounds to claim the WBC, WBA, IBF, and WBO titles, securing her coronation as the Undisputed Super-Middleweight Champion of the World. Marshall has since expanded her combat footprint into MMA with the Professional Fighters League (PFL), proving her elite striking is universal.

Best Fights on YouTube

Savannah Marshall vs. Franchón Crews-Dezurn (2023) — Undisputed Title Triumph:

https://www.youtube.com/watch?v=l_5-5yQZ6sM

Claressa Shields vs. Savannah Marshall (2022) — Official Fight Highlights:

https://www.youtube.com/watch?v=2Tz8Vl9gH_Q

Savannah Marshall vs. Femke Hermans (2022) — One-Punch KO Masterclass:

https://www.youtube.com/watch?v=mE0O1Yk6K7E

Savannah Marshall’s Career Earnings & Net Worth

Savannah Marshall’s career earnings are estimated at $2.5 million to $3.5 million, with a current net worth hovering around $2 million. Her landmark O2 Arena clash against Claressa Shields generated massive Sky Sports and ESPN audiences, earning Marshall a career-high purse reported in excess of $500,000.

Her subsequent undisputed super-middleweight victory over Franchón Crews-Dezurn and multi-fight crossover contract with the PFL (Professional Fighters League) have established Marshall as one of the highest-earning British female athletes in combat sports.

6 Lessons We Can Learn From Savannah Marshall

  1. Actions Resonate Louder Than Words: Marshall earned her ‘Silent Assassin’ moniker by letting her gloves do the speaking. Her stoic demeanor proves you don’t need WWE-style theatrics to sell out major arenas.
  2. Leverage and Biomechanics Generate Real Power: With an extraordinary 71.4% KO ratio, Marshall demonstrates that staying relaxed in the pocket and snapping punches at full extension yields devastating stopping power.
  3. Mastering the Rebound After Heartbreak: Losing the undisputed middleweight fight to Shields in front of 20,000 home fans was emotionally crushing. Rather than spiraling, Marshall jumped up a weight class nine months later to capture the undisputed super-middleweight crown.
  4. The Value of an Elite Corner (Peter Fury): Marshall’s resurgence under Peter Fury highlights the crucial importance of a trainer who understands footwork, ring psychology, and tactical patience.
  5. Fearless Willingness to Cross Combat Disciplines: By entering MMA with the PFL while reigning as an undisputed boxing champion, Marshall embraced uncomfortable learning curves and set an example for multi-sport combat athletes.
  6. Representing Your Working-Class Roots with Pride: Throughout her rise to international stardom, Marshall has remained fiercely loyal to Hartlepool, inspiring community youth programs across the North East of England.

Frequently Asked Questions (FAQ)

What is Savannah Marshall’s professional record and knockout percentage?

Savannah Marshall holds a professional record of 13 wins, 1 loss, and 0 draws, with 10 wins by knockout, giving her a remarkable 71.4% knockout percentage.

Did Savannah Marshall beat Claressa Shields?

Yes, in the amateur ranks at the 2012 World Championships, Marshall defeated Shields 14-8. In their October 2022 professional undisputed bout, Shields defeated Marshall by unanimous decision in London.

What world titles does Savannah Marshall hold?

Marshall is the Undisputed Super-Middleweight Champion, holding the WBC, WBA, IBF, WBO, and Ring Magazine titles at 168 pounds.

Does Savannah Marshall fight in MMA?

Yes, Marshall signed with the Professional Fighters League (PFL) and made her professional MMA debut in June 2024 with a dominant first-round technical knockout victory.

References & Sources