Breen went 2-for-6 with a double, a triple, two runs and one RBI.
Williams Louico (1-0) picked up his first win of the season with a one-inning relief stint, striking out one and allowing two hits in the top of the 11th.
Back home after a three-game road set, the IronBirds celebrated Independence Day by extending their winning streak to four games with a 5-1 defeat of the Brooklyn Cyclones at Ripken Stadium Thursday.
Jeff Kemp was 1-for-4 with one RBI, Breen went 1-for-3 with one run and Bierfeldt scored once.
David Richardson (1-1) picked up the win, striking out three, issuing no walks and holding the Cyclones to one earned run on four hits in a three-inning relief stint.
'Birds at .500
The IronBirds reached the .500 mark on Wednesday night, and they did it with authority, rapping out 17 hits and scoring nine times in a 9-2 road victory over the Hudson Valley Renegades.
Manny Hernandez went 2-for-3 with a triple, two RBIs and one run, while Veloz was 2-for-4 with two RBIs. Mancini had his best showing of the season thus far, going 5-for-5 with a triple, three runs and one RBI.
Kemp went 2-for-4 with a double and two runs.
IronBirds reliever Harry Marino (2-0) went 1-2/3 innings, striking out two, walking one and holding the Renegades to one earned run on two hits to earn the win.