
Super Middleweight · Retired · Scotland
Kenny Anderson
“The Widowmaker”
At a glance
- Born
- January 5, 1983 (age 43)
- Nationality
- Scotland
- Birthplace
- Edinburgh, Scotland, United Kingdom
- Division
- Super Middleweight
- Height
- 6ft 0in (182 cm)
- Stance
- Orthodox
- Pro debut
- October 14, 2006
- Retired
- October 20, 2012
Story
Boxing Only · Updated Jul 8, 2026
Kenneth John W. Anderson, known inside the ropes as "The Widowmaker," was a Scottish super-middleweight who fought professionally from 2006 to 2012. Born in Edinburgh on 5 January 1983, the orthodox fighter stood six feet tall and built a reputation as a heavy-handed operator during a tenure that saw him capture domestic honours at both Celtic and British levels. His transition to the paid ranks followed a distinguished amateur career, highlighted by his performance at the 2006 Commonwealth Games in Melbourne. There, competing as a light-heavyweight, Anderson secured the gold medal for Scotland, notably defeating the future Olympic bronze medallist Tony Jeffries in the semi-finals before overcoming Nigeria’s Adura Olalehin in the final. It was a tournament that showcased his raw power, with Anderson stopping his first opponent in just 30 seconds, a record for those Games.
Anderson made his professional debut on 14 October 2006, embarking on a career that would see him compile a record of 18 wins and just one defeat from 19 contests, with 13 of those victories coming inside the distance. His early progress saw him claim the Celtic super-middleweight title in 2009, though his momentum was briefly interrupted by legal proceedings that same year when he was accused of attempted murder following an alleged hammer attack in Edinburgh. Anderson was ultimately found not guilty and resumed his career, maintaining his unbeaten status until late 2010. Throughout his time in the ring, he was known for a menacing demeanour, often psyching himself up before bouts by reciting the Haka or drawing inspiration from the film Braveheart.
The sole blemish on Anderson’s ledger occurred on 13 November 2010 at the MEN Arena in Manchester, where he accepted a fight against the undefeated Commonwealth super-middleweight champion George Groves on just two weeks' notice. Despite the short preparation, Anderson proved to be a severe test for the younger Londoner. In the third round, Anderson landed a left hook that sent Groves to the canvas, leaving the champion on unsteady legs and in a deep crisis. Anderson dominated large portions of the early action, exposing gaps in Groves's defence with his aggression and strength. However, the tide turned in the sixth round when Groves landed a series of debilitating body shots that forced the referee to halt the contest, handing Anderson his first and only professional loss.
Anderson rebuilt his standing following the defeat to Groves, culminating in a challenge for the vacant British super-middleweight title on 20 October 2012 at the Motorpoint Arena in Sheffield. His opponent was the 41-year-old former world champion Robin Reid, who was looking to become the oldest winner of a Lonsdale belt. The bout was a physical affair, with Anderson receiving warnings for rough tactics, while Reid was deducted a point for low blows. Anderson’s youth and conditioning eventually overwhelmed the veteran; he stopped Reid at 2 minutes and 45 seconds of the fifth round. The victory meant Anderson became the only Scottish fighter to hold a British title at that time.
This triumph proved to be the final appearance of Anderson’s professional career. Although he had secured the British title he had long pursued, he vacated the belt in February 2013, citing personal reasons and did not fight again. Critics and observers noted that while Anderson could appear flat-footed and easy to hit at times, he possessed undeniable grit, physical strength, and the power to end fights abruptly. He retired with a knockout percentage of over 72%, leaving the sport as a British champion.