At Mansfield Stadium, Anthony Capuano and Bryan Rouleau had two hits apiece and Greg Duff picked up the win with relief help from Andrew Hillier as Bangor improved to 4-2.
Hillier notched his second save.
For the 4-2 Eagles, Jake Dexter and Devin Warren led the way with two singles each.
Messalonskee 003 000 0 3-7-4
Bangor 001 501 x 7- 6-1
Warren, Breton (6) and Gettig; Duff, Hillier (5) and Boyce