Sugar Ray Robinson and Jake LaMotta had a total of six fights together.

LaMotta fought Sugar Ray Robinson in Robinson's middleweight debut at Madison Square Garden, New York, October 2, 1942. LaMotta knocked Robinson down in the first round of the fight. Robinson got up and took control over much of the fight, winning via a unanimous 10-round decision.

A 10-round rematch took place February 5, 1943, at Olympia Stadium in Detroit, Michigan. In the eighth round LaMotta landed a right to Robinson's head and a left to his body, sending him through the ropes. Robinson was saved by the bell at the count of nine. LaMotta won via unanimous decision, giving Robinson the first defeat of his career.

The victory was short-lived, as the two met on February 26, 1943, in what was another 10-round fight. Robinson was knocked down for a nine-count in Round 7. Robinson won the close fight by unanimous decision.

A fourth fight, the duo's final 10 rounder, took place nearly two years after the third, on February 23, 1945, at Madison Square Garden, New York. Robinson won again by a unanimous decision.

LaMotta and Robinson had their fifth bout at Comiskey Park, Chicago, Illinois on September 26, 1945. Robinson won by a very controversial split decision, contested over 12 rounds.

Their final fight, known as the 'The St. Valentine's Day Massacre' was on February 14, 1951, at Chicago Stadium. The fight was stopped in the 13th round after LaMotta had taken too much punishment.

More Info: en.wikipedia.org