Taxi - Season 4 Episode 19 : Tony's Comeback 1983

Tony begins working out with a new cabbie, Lucius, who is a former football player. Tony is in great shape all of a sudden and Lucius inspires Tony to try to get his boxing license reinstated. Tony is not hopeful that the boxing commission will reinstate him, so he is surprised when he gets his license back. In addition, he getes a major fight scheduled with a promising young fighter. Meanwhile, Lucius goes away to Miami to try out for the Dolphins. Without Lucius around, Tony loses his motivation and his training suffers. At the fight, he is getting pummelled until Lucius, who has learned that he has made the Dolphins, arrives to inspire him. With Lucius' support, Tony turns the fight around and knocks out his opponent.