The Tommy Murphy Cup was a Gaelic football competition, featuring senior county teams eliminated from the early stages of the All-Ireland Senior Football Championship and also Kilkenny when not fielding a team in the main All-Ireland.
Later changes to the All-Ireland Senior Football Championship meant that the 2008 Tommy Murphy Cup featured the eight lowest-ranking teams in National Football League, unless the teams reached the final of their respective provincial championships.
A total of 18 counties have competed in at least one season of the Tommy Murphy Cup.
Only 3 counties have appeared in the final, being victorious on all occasions: On the opposite end of the scale, only 3 counties has appeared in the final, losing on each occasion: Antrim and London have the record number of consecutive participations in the Tommy Murphy Cup, taking part in all 5 seasons.
Although not an officially recognised achievement, one team has achieved the distinction of winning the Tommy Murphy Cup and their respective Division in the National Football League: Some defending champions have a chance to retain their title.