• What: British Super Lightweight Title
  • Who: Jack Rafferty (c) vs Mark Chamberlain
  • When: Saturday, August 23, 2025
  • Where: Altrincham, England
  • Watch: DAZN, 3:30 pm ET

The British and Commonwealth super lightweight championship is up for grabs as champion Jack Rafferty puts his title belt on the line against challenger Mark Chamberlain.

Oddsmakers are setting the champ as a solid -275 favorite in the boxing odds to retain his title. Rafferty is unbeaten as a pro. Challenger Chamberlain has only tasted defeat once.

Let’s look at the latest betting lines for this bout. Remember, the odds are always subject to change.

British Super Lightweight Title OddsThe PickBovadaBetOnlineBetUS
Jack Rafferty vs Mark ChamberlainRafferty-275-240-225

In this article, OSB will be going over each fighter, offering a predicted winner in the matchup, and also providing some additional notes and information regarding boxing picks and betting.

Fight Overview: Jack Rafferty vs Mark Chamberlain

This will be Rafferty's second defense of his British super lightweight title and third defense of his Commonwealth super lightweight title. He has held the Commonwealth super-lightweight title since December 2023 and the British title since October 2024.

Fighter Spotlight: Jack Rafferty

The unbeaten Rafferty (26-0, 17 KOs) won the British title via a ninth-round stoppage victory over Henry Turner in October of last year. He successfully defended his title belts against Reece McMillan. Rafferty followed that up with a defense of the Commonwealth crown against Cory O’Regan. Both of those wins came via stoppage.

He won the Commonwealth title with a first-round knockout of Lee Appleyard. Rafferty is also the current IBC International Silver Super Light champion.

Fighter Spotlight: Mark Chamberlain

Chamberlain (17-1, 12 KOs) looked to be battling his way up the ladder to a world title bout when he was beaten by Josh Padley last September at Wembley Stadium via unanimous decision, suffering his first career defeat.

He rebounded into the win column in April. Chamberlain scored a points victory over Miguel Angel Scaringi in an eight-round super lightweight bout. Chamberlain is the former holder of the IBF European, WBA Intercontinental, and WBC Silver lightweight titles.

Best British Super Lightweight Title Prop Bets

Taking a look at the nicknames of the two fighters in this bout - Rafferty is called the Demolition Man, while Chamberlain goes by the handle Thunder - this fight doesn't figure to feature a lot of dancing.

Seven of Rafferty's last eight fights ended in stoppages. Chamberlain won the vacant WBC Silver lightweight title thanks to a first-round stoppage of Joshua Wahab. He won the WBA Intercontinental title via a fourth-round KO of Gavin Gwynne.

That being the case, maybe betting the under on total rounds for this fight would be one of the best bets of the night. The total for the bout is set at 10.5 rounds. The under will pay out at a handsome +200 in the boxing betting lines. Surprisingly, the over is set as the -250 odds-on favorite for the fight.

However, oddsmakers are putting the betting line on the fight going the full 12-round distance at -200. You'll access a line of +150 in the boxing odds if you go with the fight ending early.

Best Bet To Win British Super Lightweight Title

Rafferty has battled hard to get his title belts. He won 20 fights into his pro career before promoters were willing to give him a crack at some of the upper-echelon fighters in his weight class. He brutalized unbeaten southpaw Turner with a persistent assault of body shots to win the British super lightweight title.

Jack Rafferty To defend British Super Lightweight title vs Mark Chamberlain
BetUS
-225
Bet Now!

Rafferty has won all six of his championship fights by stoppage. Chamberlain is another southpaw, but he's stepping up in weight class. And he was recently dropped to the canvas in his loss to Padley, a fighter not known for his punching power. The relentlessness and doggedness of Rafferty will be the difference. Take him to retain his British super lightweight belt in the boxing picks, most likely by stoppage.

Other Notes And Info Regarding Your Boxing Bets

Once you have settled on the wagers you will be making on the boxing betting odds for this British super lightweight title bout, you’ll want to be sure to have a look at the massive amounts of data available to you only at OSB. For a more insightful analysis of this bout, be certain to have a look at the boxing betting guide. These guides provide the latest assessments for all of the betting lines that the oddsmakers are setting on the sport. This information will help you assemble some solid boxing picks.

Along those lines, if you’re seeking out the top boxing bets to make, be sure to go ahead and take a look at the best betting sites breakdown, which compiles and distributes quality information, including a complete analysis of what the various sports betting sites are offering to you. Finally, for those who are busy and frequently on the go during the day, the best betting apps rundown is a must-read page to ensure that you place all your boxing bets on time.