Dublin ease to first Allianz football league win over Galway

[team1]Dublin[/team1][score1]1-15[/score1][team2]Galway[/team2][score2]0-7[/score2][/score]

A thrilling second-half performance at Croke Park, lit up by the majesty of Cormac Costello, eased holders Dublin to their first win in the Allianz football league.