Roach has trained 40 world champions to date. After his retirement from fighting, Roach worked in a variety of jobs around Las Vegas including
telemarketing and a
busboy before taking a job with his former trainer and mentor
Eddie Futch as an unpaid assistant in 1986. He excelled in his new position and worked as Futch's assistant for five years. In 1991, actor
Mickey Rourke returned to boxing midway through his acting career, and hired Roach to train him in
Hollywood, California. In 1995, when Rourke decided to quit boxing, he gave gym equipment to Roach, and it can be found in the Wild Card Boxing Club on Vine Street. Roach owns the Wild Card Boxing Club in Los Angeles and works alongside his brother Pepper. Roach's most notable trainee is
eight-division world champion Manny Pacquiao. Roach also once trained
Oscar De La Hoya for his
May 5, 2007 superfight against
Floyd Mayweather Jr. His first world champion was
Virgil Hill, whom he took over from his own former trainer,
Eddie Futch. He is also the former trainer for British boxers
Gary Stretch (former
WBC light middleweight champion), training Stretch for his
WBO middleweight title challenge against
Chris Eubank, and
Amir Khan, who became the
WBA light welterweight champion on July 18, 2009, and the
IBF light welterweight champion on July 23, 2011, under Roach's tutelage. Roach also trains
welterweight boxer
Zachary "Kid Yamaka" Wohlman among many others. and can usually be seen nearby when his boxers are interviewed. In the world of
mixed martial arts (MMA), Roach has trained former
UFC heavyweight champion
Andrei Arlovski and was one of his primary trainers for Arlovski's victory over
Ben Rothwell on July 19 at
Affliction's inaugural show. He has also trained MMA fighter
Dan Hardy for his fight with
Marcus Davis at UFC 99 as well as MMA greats,
Tito Ortiz,
Anderson Silva, and
B.J. Penn. In May 2010, he began a training engagement with
Georges St-Pierre in advance preparation for the fighter's successful
UFC welterweight title defense against
Josh Koscheck at
UFC 124. Roach has also trained many other prominent mixed martial artists, such as: pro-boxer and kickboxer, and former
EliteXC lightweight champion,
K. J. Noons,
Roger Huerta, and
Rameau Thierry Sokoudjou. In March 2010, Roach expressed interest in wanting to train former
Pride FC and WAMMA heavyweight champion,
Fedor Emelianenko. ==Parkinson's disease==