[1] Alf Peacock won a cap for England while at Warrington in 18-14 victory over Wales at Central Park, Wigan on Wednesday 30 September 1925, in front of a crowd of 12,000.
[6] Alf Peacock won a cap for Lancashire while at Warrington in the 6-5 victory over Cumberland at the Recreation Ground, Whitehaven on Saturday 26 September 1925, in front of a crowd of 6,000.
[5] Alf Peacock played hooker, and scored a try in Warrington's 10-22 defeat by Wigan in the Championship Final during the 1925–26 season at Knowsley Road, St. Helens on Saturday 8 May 1926, in front of a crowd of 20,000.
[5][7] Alf Peacock played hooker in Warrington's 3-5 defeat by Swinton in the 1927–28 Challenge Cup Final during the 1927–28 season at Central Park, Wigan on Saturday 14 April 1928, in front of a crowd of 33,909.
[8] Alf Peacock played hooker in Warrington's 7-5 victory over Oldham in the 1921 Lancashire Cup Final during the 1921–22 season at The Cliff, Broughton, Salford on Saturday 3 December 1921, in front of a crowd of 18,000,[9] and played hooker in the 15-2 victory over Salford in the 1929 Lancashire Cup Final during the 1929–30 season at Central Park, Wigan on Saturday 23 November 1929, in front of a crowd of 21,012.