 During the break clubs competed without their county players in one of the regional cups – teams from North Derry competed in the Dr. Kerlin Cup and teams from South Derry competed in the Sean Larkin Cup.After the 2018 season, the adult football leagues in Derry were restructured to Division 1A - 12 teams, Division 1B - 12 teams and Division 2 - 13 teams (Ógra Colmcille opted out in 2019).Previously there were 16 teams in Division 1, 14 teams in Division 2 and 8 teams in Division 3.