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Naazim Richardson is an American boxing trainer from Philadelphia. Richardson is most notable for training Bernard Hopkins and "Sugar" Shane Mosley, in addition to Steve Cunningham and Karl Dargan; furthermore, he is known for catching Antonio Margarito with plaster knuckle pads in his hand-wraps, prior to Margarito's fight with Mosley, leading to Margarito's eventual 1 year suspension from the sport of boxing.
Richardson was raised in Philadelphia, Pennsylvania and left home when he was 14. He was jailed as a teenager. According to the New York Times, "Boxing took Richardson from the streets that almost swallowed him in north Philadelphia, gave him energy and purpose."  He is a head trainer in the Concrete Gym in Philadelphia, and is a trainer in several gyms across Philadelphia.
Richardson is a devout Muslim, often referred by many as "Brother" Naazim.
In 2007, Richardson suffered a stroke that temporarily left him unable to walk or speak.
Soon after returning to boxing, Richardson became "Sugar" Shane Mosley's trainer for three of the biggest fights of the boxer's career - his win over Margarito and his losses to both Floyd Mayweather, Jr. and Manny Pacquiao.
Notable fighters trained or advised by Richardson
- Bernard Hopkins
- Shane Mosley
- Karl Dargan - Nephew of Naazim Richardson.
- Badr Hari
- Yusaf Mack (Worked corner)
- Sergio Martinez (Corner adviser for fight vs. Julio Cesar Chavez, Jr.)
- Steve Cunningham