Coach Richardson began his coaching career at Bowie High School in El Paso, Texas. He then moved to Western Texas College, where he won the National Junior College championship in 1980. He was the head coach at Tulsa from 1981 to 1985, leading Tulsa to the NIT championship in 1981. In 1985 Richardson became the head coach at the University of Arkansas, where he gained national recognition.
Richardson took the University of Arkansas to the Final Four three times, losing to Duke in the semifinals in 1990, winning the National Championship in 1994 against Duke, and losing in the Championship game to UCLA in 1995. He was named the National Coach of the Year in 1994. His teams typically played an up tempo game with intense pressure defense - a style that was known as "40 Minutes of Hell." He is the winningest coach in Arkansas history, compiling a 389-169 record in 17 seasons. Coach Richardson is the only head coach to win a Junior College National Championship, the NIT, and the NCAA Tournament.
From 2005 to 2007, Richardson served as the head coach of the Panamanian National Team. In March 2007, Richardson was named as the head coach of the Mexican National Team. Richardson was born in El Paso, Texas, and raised in El Paso�s �Segundo Barrio� or �Second Ward�, and speaks Spanish fluently. He played collegiately at Texas Western College (now the University of Texas at El Paso) playing for two years under the future Basketball Hall of Famer Don Haskins.