In the 1968 final he was substitute as St Helens lost 4–7 to Wigan at Central Park, Wigan on Tuesday 17 December 1968,[5] In 1970 he was in St Helens' starting line-up, playing at second-row in the 5-9 defeat by Leeds at Headingley, Leeds on Tuesday 15 December 1970.
He was, eventually, on the winning side in 1971 when he played at second-row in the 8-2 victory over Rochdale Hornets at Headingley Stadium on Tuesday 14 December 1971.
At loose forward Prescott was in Salford's 25-11 victory over Swinton in the 1972 Final at Wilderspool Stadium, Warrington on Saturday 21 October 1972, played loose forward in the 9-19 defeat by Wigan in the 1973 Final at Wilderspool on Saturday 13 October 1973,[7] played loose forward in the 2-6 defeat by Widnes in the 1974 Final at Central Park, Wigan on Saturday 2 November 1974, played loose forward in the 7-16 defeat by Widnes in the 1975 Final at Central Park, Wigan on Saturday 4 October 1975.
The first in the 1981 final as Widnes defeated Hull Kingston Rovers 18–9 at Wembley Stadium, London on Saturday 2 May 1981.
Prescott returned to Salford in January 1984 in a player exchange deal which saw John Wood make the move in the opposite direction.