After this, he retired from boxing for three years before returning with a knockout of journeyman Lorenzo Boyd. Moorer had begun drinking heavily and weighed 270 pounds. During his comeback, he won three more fights, then seemingly retired again when he was knocked out only 30 seconds into round one by David Tua on August 17, 2002. However, he returned to the ring once again on March 29, 2003, beating Otis Tisdale on points over ten rounds. On August 23, 2003, he beat Brazil's Rodolfo Lobo by knockout in only 64 seconds.
