Mike McCallum vs. Sumbu Kalambay (2nd meeting)
1991-04-01 : Mike McCallum 159½ lbs beat Sumbu Kalambay 159½ lbs by SD in round 12 of 12
- Location: Stade Louis II, Monte Carlo, Monaco
- Referee: John Coyle
- Judge: Fernando Viso 116-114
- Judge: Orlando Sam 114-115
- Judge: Justo Vasquez Marcos 116-115
- World Boxing Association Middleweight Championship (3rd defense by McCallum)
- See also: Sumbu Kalambay vs. Mike McCallum (1st meeting)
Post Fight Quotes
- McCallum: "It was a difficult fight, but I deserved to win because I kept walking on him."
- Kalambay: "I am very disappointed because I thought I had won."