Contender Series 2026 Week 9 continues with a fight between Summer Onley and Alivia Bierley in the women’s bantamweight division. Check out our Contender Series odds series for our Onley-Bierley prediction and pick.
Summer Onley (6-0) stopped Myllena Messias with second-round punches to claim the FCC bantamweight title in March, following a first-round TKO of Mônica Fontes in November. Five of her six victories are knockouts or TKOs, highlighting an escalating, pressure-driven finishing streak as she comes into her fight this week against Alivia Bierley.
Alivia Bierley (5-1) enters on a four-fight winning streak, most recently stopping Nikola Kacperska by third-round TKO in July. She followed with a second-round KO of Shanna Gomez in May, showing late-round power and an increasingly reliable finishing rhythm as she comes into her fight this week against Summer Onley.
Contender Series Week 9 Odds, courtesy of BetOnline.
Contender Series Week 9 Odds: Summer Onley-Alivia Bierley Odds
Summer Onley: -170
Alivia Bierley: +138
Watch sports LIVE with fuboTV (free trial)Why Summer Onley Will Win
Summer Onley’s case begins with an undefeated 6-0 record and the momentum of five knockout or TKO wins. That finishing ratio suggests an athlete who does more than edge close rounds; she consistently creates enough pressure and damage to force decisive results.
Her March victory over Myllena Messias, a second-round TKO that secured the FCC bantamweight championship, is particularly relevant. It shows she has handled title-fight stakes and maintained her aggression beyond the opening minutes, both valuable traits in a Contender Series setting.
Against Alivia Bierley, Onley’s best advantage is her pressure-based striking and willingness to throw combinations when an opponent backs toward the fence. Bierley has late-finishing ability of her own, so Onley must press with structure, cutting off angles rather than simply pursuing her into countering range.
The most realistic route is establishing the jab and low kicks early, then layering punches once Bierley’s exits become predictable. That approach lets Onley exploit her speed and volume without giving Bierley easy opportunities to set her feet for return fire.
Bierley’s experience and resilience make this a meaningful step up, not a foregone conclusion. Still, I favor Onley to build enough sustained offense to secure a second-round TKO.
Why Alivia Bierley Will Win
Article Continues BelowAlivia Bierley’s path to victory starts with her 5-1 record and a résumé that includes competitive experience beyond an unbeaten prospect’s early surge. Her lone defeat can be viewed as a useful learning point, while her five wins—three by knockout or TKO—show she has consistently translated offense into tangible results.
The key advantage is Bierley’s ability to work through a fight rather than needing every exchange to become a sprint. Her third-round TKO of Nikola Kacperska in July demonstrated that she can preserve her offense and still find a finish late, an important contrast in a matchup with another aggressive finisher.
Against Summer Onley, Bierley should resist a reckless firefight and force the Englishwoman to reset after each attack. Movement, disciplined counters, and clinch awareness could reduce the volume of clean exchanges where Onley’s pressure-based knockout game is most dangerous.
Bierley’s experience should also help when momentum shifts, whether that means recovering after a hard exchange or changing tactics between rounds. Still, Onley’s 6-0 record and five knockout wins make any prediction dependent on Bierley maintaining defensive structure from the opening bell.
The most realistic route is Bierley weathering the early danger, building momentum with cleaner counters, and taking over as the bout lengthens. I favor Bierley by late TKO or decision.
Final Summer Onley-Alivia Bierley Prediction & Pick
Summer Onley is my narrow pick by second-round TKO, but Alivia Bierley’s experience makes this one of Week 9’s tougher calls. Onley is 6-0 with five knockout or TKO victories, while Bierley enters 5-1 with three stoppages and the benefit of fighting through a previous professional loss.
Expect Onley to set the tone early with forward pressure, combinations, and attacks that limit Bierley’s ability to settle at range. Bierley’s best counter is patience: force resets, counter the entries, and see whether Onley’s fast start becomes more measured after the first round.
The pivotal factor is whether Onley can make her pressure efficient instead of walking onto a clean counter. If she keeps Bierley moving and attacks the body before opening up upstairs, the English prospect can create the kind of sustained damage that has defined her unbeaten run.
I favor Onley’s momentum and finishing instinct to edge it, likely after a competitive opening frame. The pick is Onley by second-round TKO.
Final Summer Onley-Alivia Bierley Prediction & Pick: Summer Onley (-170)