In only his second year 1974, he gained 811 yards and 9 touchdowns as he led the New England Patriots to a surprising 4-0 start before faltering to a 7-7 finish. In 1977 he gained a career high 1,015 yards and scored 4 touchdowns, and also caught 42 receptions for 370 yards and a touchdown. He played his entire career (1973 through 1982) with the Patriots and was a 1978 Pro Bowl selection.
^Chapin, Dwight - McKay's Message Puts the Bam Back in Sam. Los Angeles Times, October 15, 1971. "The name-Sam (Bam) Cunningham--makes you think of a big guy crunching through tacklers like a truck going through a plate glass window."