Oldham secured promotion to the Championship with a narrow victory over Newcastle in the League 1 play-off final.
The Roughyeds posted tries through Danny Langtree, Zac McComb and Jimmy Beckett.
Misi Taulapapa scored a brace for the visitors and Joel Edwards also crossed, but Oldham showed steel in the final quarter to secure a famous 18-14 win.
The games marked Scott Naylor’s last game in charge of the Roughyeds.
The former Bradford centre steps down following a long spell in charge at the club.