Question: In what year was the commonwealth heavyweight champion that beat the British professional boxer with scorecards reading 115-114, 114-115, 115-114 born? 

Context articles: Joseph Parker vs. Andy Ruiz
Michael Sprott
Danny Williams (boxer)
Érik Morales vs. Marco Antonio Barrera
Jack London (boxer)
Dereck Chisora
Érik Morales vs. Marco Antonio Barrera III
Dave Allen (boxer)
Garry Delaney
Lenroy Thomas

Joseph Parker vs. Andy Ruiz, billed as "History", was a professional boxing match between undefeated Joseph Parker and Andy Ruiz.
 It took place on 10 December 2016, at the Vector Arena in Auckland.
 Parker won the contest by a majority decision, with two judges scoring it 115–113 and the other 114–114.
 The fight was considered to be one of the most anticipated sporting events in New Zealand and Mexican history, as there had never been a New Zealand nor Mexican world heavyweight champion.
Michael Sprott (born 16 January 1975) is a British professional boxer.
 He is a former British and Commonwealth heavyweight champion, and has challenged for the European title.
 He was the winner of the 14th Prizefighter series.
Daniel Peter "Danny" Williams (born 13 July 1973) is a British professional boxer.
 A veteran of the sport since 1995, he held the British heavyweight title twice between 2000 and 2010, and the Commonwealth heavyweight title twice between 1999 and 2006.
 Williams is best known for scoring an upset knockout victory against Mike Tyson in 2004, which earned him a mandatory WBC heavyweight title opportunity.
 In the same year, he challenged then-reigning champion Vitali Klitschko, but was stopped in eight rounds.
Érik Morales vs Marco Antonio Barrera I, was a professional boxing match between the three-division and reigning WBO Super Bantamweight world champion Marco Antonio Barrera and reigning WBC Super Bantamweight world champion Erik Morales.
 It took place on February 19, 2000, at the Mandalay Bay Resort & Casino in Las Vegas, Nevada.
 Morales won the contest by split decision, with two judges scoring it 114-113 and 115-112 for Morales and the other scoring it 114-113 for Barrera.
 The fight was named The Ring Magazine 2000 Fight of the Year and has been regarded as the best fight ever by many.
Jack London (real name John George Harper, born 23 June 1913 in West Hartlepool, County Durham, died 19 December 1963) was an English heavyweight boxer.
 He was British and Commonwealth Heavyweight champion from 1944 to 1945.
 His son, who fought as Brian London, also became British and Commonwealth Heavyweight champion from 1958 to 1959.
Dereck Chisora (born 29 December 1983) is a British professional boxer.
 He held the British and Commonwealth heavyweight titles from 2010 to 2011, the European heavyweight title from 2013 to 2014, and has challenged once for the WBC heavyweight title in 2012.
Érik Morales vs Marco Antonio Barrera III, billed as Once and For All, was a professional boxing match between the three-division world champion Marco Antonio Barrera and reigning WBC Super Featherweight world champion Erik Morales.
 It took place on November 27, 2004, at the MGM Grand Garden Arena in Las Vegas, Nevada.
 Barrera won the contest by majority decision, with two judges scoring it 115-113 and 115-114 for Barrera and the other 114-114.
 The fight was named the 2004 Ring Magazine Fight of the Year.
David Allen (born 21 March 1992) is British professional boxer.
 He has fought 16 times and his record stands at 12 wins, 3 defeats and 1 draw.
 In 2016 he took on Dillian Whyte and Luis Ortiz, two of the well known names in heavyweight boxing.
 On May 27, 2017, Allen took on Jamaica's Lenroy Thomas for the Commonwealth title.
 Allen lost on a split decision with close scorecards reading 115-114, 114-115, 115-114 in favour of Thomas.
Gary Delaney ( (1970--) 12 1970 (age (2017)-(1970)-((11)<(08)or(11)==(08)and(30)<(12)) ) ) born in Newham is an English professional light heavy/cruiser/heavyweight boxer of the 1990s and 2000s.
 He won the British Boxing Board of Control (BBBofC) Southern Area light heavyweight title, World Boxing Board (WBB) light heavyweight title, World Boxing Organization (WBO) Inter-Continental light heavyweight title, BBBofC Southern Area cruiserweight title, and Commonwealth light heavyweight title (twice), and was a challenger for the BBBofC British heavyweight title, and Commonwealth heavyweight title against Julius Francis, World Boxing Organization (WBO) Inter-Continental cruiserweight title against John Keeton, and Jesper Kristiansen, BBBofC British cruiserweight title, and Commonwealth (British Empire) cruiserweight title against Bruce Scott, and World Boxing Union cruiserweight title against Sebastiaan Rothmann, and Enzo Maccarinelli, his professional fighting weight varied from 174 lb , i.e. light heavyweight to 231 lb , i.e. heavyweight.
Lenroy Thomas (born 13 March 1985) is a Jamaican professional boxer.
 He is the current commonwealth heavyweight champion after beating Dave Allen via a split decision victory.