A major contributor to this article appears to have a close connection with its subject. (December 2015)
Brin-Jonathan Butler (born 1979) is a freelance journalist, interviewer, and award-winning documentary filmmaker. His work has been published in Amazon , The Classical  , The Rumpus  , Harper's , The Daily Beast , Vice , ESPN The Magazine , The Paris Review and The Huffington Post Salon.com. His book  A Cuban Boxer's Journey was published 2014. The Domino Diaries was be published in 2015.
Butler has a forthcoming documentary film,
Split-Decision, examining Cuban-American relations. 
Butler is a member of the
Boxing Writers Association of America and PEN America.
Butler is also a member of
Transnational Boxing Rankings Board, a respected international boxing rankings organization that was formed in 2012. 
Picador USA published two books by Butler in June 2014 and 2015: A Cuban Boxer's Journey, a biography on  Guillermo Rigondeaux, and The Domino Diaries, a memoir of time in Cuba living and training with Olympic boxing coaches.  The Domino Diaries was on The Boston Globe's list of Best Books of 2015 and has been nominated and longlisted for the PEN/ESPN Award for Literary Sports Writing in 2016.  The winner will be announced on March 1, 2016. 
What More Could Have Angulo Given Us? 
Donaire-Rigondeaux Full of Promises 
This Way Out: Inside the High Paced Underground Economy of Smuggling Champion Boxers 
Donaire-Rigondeaux Full of Promise 
Sparring with Mike Tyson 
The Way We Left Cuba 
Cuba's Forgotten Champ 
Requiem for a Welterweight 
Training Pampered Motherfuckers: Eric Kelly Schools the 1% 
Gold in the Mud 
Hero's for Sale: The Agony of the Cuban Athlete 
After the Fall: 25 Years after Mike Tyson lost to Buster Douglas, why do we still have sympathy for the devil?  "Mayweather vs Pacquiao: The Poison Oasis"
The Horrors of Staying in Touch on Facebook 
Hurricane Carter's Obituary