[2] Seeley first played Gaelic football at juvenile and underage levels with the Clan Óg team.
He captained the team to the Ulster MFC title in 1951, before later losing to Roscommon in the All-Ireland minor final.
[4] Seeley also won an Ulster JFC title in 1951, the same year he made his senior team debut.
[5] Seeley was player-manager when he won his third and final Armagh SFC title with Clan na Gael in 1969.
[7][8] Seeley guided Clan na Gael to a sixth Armagh SFC title during his tenure in 1976 before stepping down as manager shortly after.