The name of John 'Jackie' Duddy, who was shot dead by British paratroopers during the events of "Bloody Sunday", is seen written in chalk on the pavement ahead of the 50th anniversary of the 1972 "Bloody Sunday" shootings in Londonderry, Northern Ireland, January 28, 2022. REUTERS/Clodagh Kilcoyne 

Ireland's John Duddy (R) celebrates his split decision win over Michael Medina of Mexico following the 10th round of their middleweight bout at Cowboys Stadium in Arlington, Texas, March 13, 2010. REUTERS/Jeff Haynes (UNITED STATES - Tags: SPORT BOXING) 

Ireland's John Duddy (R) comes face to face with Michael Medina of Mexico during the 7th round of their 10-round middleweight bout at Cowboys Stadium in Arlington, Texas, March 13, 2010. REUTERS/Jeff Haynes (UNITED STATES - Tags: SPORT BOXING) 

Ireland's John Duddy (R) punches Michael Medina of Mexico during the first round of their 10-round middleweight bout at Cowboys Stadium in Arlington, Texas, March 13, 2010. REUTERS/Jeff Haynes (UNITED STATES - Tags: SPORT BOXING) 

John Duddy of Ireland celebrates his win over Matt Vanda of the U.S. during the eighth round of their middleweight fight at Madison Square Garden in New York, February 21, 2009. Duddy won the 10 round fight on a unanimous decision. REUTERS/Mike Segar (UNITED STATES) 

John Duddy (R) of Ireland lands a left hand punch to Matt Vanda of the U.S. during the sixth round of their middleweight fight at Madison Square Garden in New York, February 21, 2009. Duddy won the 10 round fight on a unanimous decision. REUTERS/Mike Segar (UNITED STATES) 

John Duddy (R) of Ireland lands a right hand to the head of Matt Vanda of the USA during the eighth round of their middleweight fight at Madison Square Garden in New York, February 21, 2009. Duddy won the 10 round fight on a unanimous decision. REUTERS/Mike Segar (UNITED STATES) 

John Duddy punches Wallid Smichet (R) in the third round of their middleweight boxing match before the IBF/WBO Heavyweight Championship fight in New York February 23, 2008. REUTERS/Shannon Stapleton (UNITED STATES) 

John Duddy gives the thumbs up after defeating Wallid Smichet in their middleweight boxing match before the IBF/WBO Heavyweight Championship fight in New York February 23, 2008. REUTERS/Shannon Stapleton (UNITED STATES) 

John Duddy raises his arms after defeating Wallid Smichet in their middleweight boxing match before the IBF/WBO Heavyweight Championship fight in New York February 23, 2008. REUTERS/Shannon Stapleton (UNITED STATES) 

Wallid Smichet (R) punches John Duddy in the sixth round of their middleweight boxing match before the IBF/WBO Heavyweight Championship fight in New York February 23, 2008. REUTERS/Shannon Stapleton (UNITED STATES) 

Wallid Smichet (R) punches John Duddy in the first round of their middleweight boxing match before the IBF/WBO Heavyweight Championship fight in New York February 23, 2008. REUTERS/Shannon Stapleton (UNITED STATES) 

Tim Hutter and his girlfriend Tara Duddy sift through the rubble of the burned out Hutter family home in the Rancho Bernardo neighborhood of San Diego, California, October 27, 2007. Risk Management Solutions, which predicts and assesses insured damages, said in a statement that the wildfires which have devastated Southern California would likely cost insurers between $900 million and $1.6 billion. REUTERS/John Gress (UNITED STATES) 

Tara Duddy sifts through the rubble of Lori Hutter's burned out home in the Rancho Bernardo neighborhood of San Diego, California, October 27, 2007. Risk Management Solutions, which predicts and assesses insured damages, said in a statement that the wildfires which have devastated Southern California would likely cost insurers between $900 million and $1.6 billion. REUTERS/John Gress (UNITED STATES) 

John Duddy of Derry, Ireland lands a punch on Freddie Cuevas during their WBC Continental Americas Middleweight title fight in New York June10, 2006. REUTERS/Teddy Blackburn (UNITED STATES) 

John Duddy of Derry, Ireland celebrates his victory over Freddie Cuevas during their WBC Continental Americas Middleweight title fight in New York June10, 2006. REUTERS/Brendan McDermid (UNITED STATES) 

John Duddy (L) and Freddy Cuaves are weighed-in at Madison Square Garden in New York June 9, 2006. Duddy of Derry, Ireland, will fight Cuaves this Saturday at Madison Square Garden. REUTERS/Teddy Blackburn (UNITED STATES) 

Boxer John " Irish" Duddy hits the speed bag during a training session in New York June 5, 2006. Duddy from Derry, Ireland will fight Freddy Cuevas at Madison Square Garden June 10. REUTERS/Teddy Blackburn ( UNITED STATES) 

Boxer John " Irish" Duddy looks over the ropes during a training session in New York June 5, 2006. Duddy from Derry, Ireland will fight Freddy Cuevas at Madison Square Garden June 10. REUTERS/Teddy Blackburn ( UNITED STATES) 

John Duddy of Derry, Ireland knocks out Shelby Pudwill at Madison Square Garden in New York March 16, 2006. Duddy won the WBC Continental Americas Middleweight championship by a first round knockout. REUTERS/ Teddy Blackburn 

John Duddy of Derry, Ireland scores a first round knockout at Madison Square Garden in New York March 16, 2006. Duddy knocked out Shelby Pudwill to win the WBC Continental America's Middleweight championship. The referee is Wayne Kelly. REUTERS/ Teddy Blackburn 

John Duddy from Derry, Ireland poses with his WBC Americas Middlweight championship belt at Madison Square Garden in New York March 16, 2006. Duddy scored a first round knockout over Shelby Pudwill. REUTERS/Teddy Blackburn 

John Duddy from Derry, Ireland weighs for the WBC Continental America Middleweight championship boxing match against Shelby Pudwill, at the New York State Commission March 15, 2006. Duddy will fight Pudwill at the Madison Square Garden on Thursday for the championship. REUTERS/Teddy Blackburn 

Boxer John Duddy answers a question at a news conference in New York March 9, 2006. Duddy, a native of Derry, Ireland, will fight Shelby Pudwill for the WBC Continental Americas Middlewight Championship at Madison Square Garden on March 16. REUTERS/Teddy Blackburn