The Eagles added three more runs in the third.
Polk State got another run in the fourth when Diewert scored on a wild pitch.
The Raiders scored their two runs in the sixth on a single, a double, and two wild pitches.
The Eagles put a final run on the board in the sixth when Diewert scored on a Raudy Martinez sacrifice fly.
Luis Ferrer (2-0) earned the win. In five shutout innings he allowed three hits and a walk while striking out four.
Along with his homer, Diewert had two doubles, three runs, a walk, a stolen base, and an RBI.
Frey went 3-for-3 with a sacrifice, a stolen base, and a run.
Cullum singled, walked scored a run, and drove in a run.
Warken went 2-for-4 with a run.
The Eagles (7-1, No. 4 FCSAA, No. 11 NJCAA) travel to Palatka tomorrow to play St. Johns River State College at 5 p.m.