For the third year in a row, Dublin are Division One champions of the Allianz National Football League.
The Dubs had 11 points to spare at Croke Park as they ran out 1-21 to 2-7 winners against Cork in today's final.
Diarmuid Connolly raised a green flag from a penalty in the first half and nine points from Dean Rock secured the win for Jim Gavin's side.
Daniel Goulding and Mark Collins netted consolation goals for Cork in the second period.
Roscommon are Division Two champions following a five point win over Down in their final.
A second half Ciaran Murtagh goal sealed the win at Headquarters after Brendan McArdle was sent off for the Ulster side in the first half.
The final score at Croke Park was Roscommon 1-17, Down 15 points.