The Yellow Jackets (26-4-1, 16-2 ODAC) opened with an 18-2 win in game one before completing the sweep with an 8-4 victory over SU (26-8, 13-5) in the nightcap.
R-MC broke open a 2-2 opener with 10 runs in the sixth off of three Shenandoah pitchers.
Comer got two outs, but allowed another four runs on three hits and one walk before Derrick Snider got the final out of the frame.
The 'Jackets added one run in the seventh and five more in the eighth to provide the final margin of victory and five of their 17 hits in the contest went for extra bases.
Colin Selby (8-1) struck out eight in 7.0 innings to get the win.
Trailing 3-0 after R-MC scored three runs on three hits and a walk in the second inning of game two, Shenandoah took its only lead of the day by scoring four runs on four hits and a walk in the third.
Unfortunately, the lead lasted just one out as Joseph Tuzzolo led off the Macon fourth with a solo HR to left center. R-MC hit six home runs in the doubleheader.
Baker and Grant Thompson both had two hits.
Robert Klinchock (4-3) took the loss after giving up six runs (four earned) on nine hits and four walks in 6 2/3 innings.
Nick Roth (8-0) was the winner for Macon. He gave up four runs on seven hits and one walk in 6.0 innings.