Simpson vs Williamson

When is Simpson vs Williamson?

Callum Simpson could square off against Troy Williamson in Spring 2026 the United States.

The fight would take place over 12 rounds in the Super Middleweight division, which means the weight limit would be 168 pounds (12 stone or 76.2 kg).

Simpson vs Williamson stats

Callum Simpson would step into the ring with an undefeated record of 18 wins, zero losses, and 0 draws, 13 of those wins coming by way of knockout.

Troy Williamson would make his way to the ring with a record of 21 wins, 4 losses and 1 draw, with 15 of those wins by knockout.

The stats suggest Simpson would have a slight advantage in power over Williamson, with a 72% knockout percentage compared to Williamson's 71%.

Callum Simpson is the younger man by 6 years, at 28 years old.

Simpson has a height advantage of 4 inches over Williamson. This also extends to a 2-inch reach advantage.

Both Callum Simpson and Troy Williamson fight out of an orthodox stance.

Simpson is currently the less experienced professional fighter, having had 8 fewer fights, and made his debut in 2019, 2 years and 7 months later than Williamson, whose first professional fight was in 2016. He has fought 92 fewer professional rounds, totaling 77 compared to Williamson's 169.

Callum Simpson goes into the fight ranked number 7 by the WBA, 11 by the WBC, 9 by the WBO, and 5 by the IBF at super middleweight.

Simpson vs Williamson form

Simpson remains undefeated as a professional, stopping 4 of his last 5 opponents.

In his last fight, he won against Ivan Zucco on June 7, 2025, by technical knockout in the 10th round at Oakwell Football Ground, Barnsley, United Kingdom.

Prior to that, he had won against Elvis Ahorgah on February 1, 2025, by technical knockout in the 5th round in their CBC Commonwealth Super Middleweight championship fight at Wembley Arena, Wembley.

Going into that contest, he had beaten Steed Woodall on January 11, 2025, by technical knockout in the 2nd round in their BBBOC British Super Middleweight and CBC Commonwealth Super Middleweight championship fight at Park Community Arena, Sheffield.

Before that, he had defeated Zak Chelli on August 3, 2024, by unanimous decision in their BBBOC British Super Middleweight and CBC Commonwealth Super Middleweight championship fight at Oakwell Football Ground, Barnsley.

He had won against Abdallah Paziwapazi on March 31, 2024, by knockout in the 4th round at O2 Arena, Greenwich.

Troy Williamson has stopped 2 of his last 5 opponents.

In his last fight, he defeated Mark Dickinson on September 6, 2025, by technical knockout in the 9th round at Rainton Meadows Arena, Houghton-le-Spring, United Kingdom.

Prior to that, he had been beaten by Ishmael Davis on March 23, 2024, by unanimous decision in their 12 round contest at Sheffield Arena, Sheffield.

Going into that contest, he had lost to Caoimhin Agyarko on December 2, 2023, by split decision in their 10 round contest at The SSE Arena (Odyssey Arena), Belfast.

Before that, he had been beaten by Josh Kelly on December 2, 2022, by unanimous decision in their BBBOC British Super Welterweight championship fight at Utilita Arena, Newcastle.

He had defeated David Benitez on September 17, 2022, by technical knockout in the 6th round at Bolton Whites Hotel (De Vere Whites), Bolton.

Activity check

In terms of recent activity, Callum Simpson has been fighting more than Troy Williamson.

Callum Simpson last fought 9 months and 14 days ago, while Troy Williamson's last outing was 6 months and 15 days ago.

Simpson's last 5 fights have come over a period of 1 year, 11 months and 18 days, which means he has been fighting approximately every 4 months and 24 days. In those fights, he fought a total of 33 rounds, meaning that they have lasted 6.6 rounds on average.

Williamson's last 5 fights have come over a period of 3 years, 6 months and 4 days, meaning he has been fighting on average every 8 months and 13 days. In those fights, he fought a total of 49 rounds, meaning that they have lasted 9.8 rounds on average.

What are the odds on Simpson vs Williamson?

Sorry, we couldn’t find any odds for Simpson vs Williamson yet. If odds are not available initially after the fight is announced, bookmakers usually release them closer to the day of the fight.