Potomac scored seven times with two outs as they completed a three-game sweep of Frederick with a 7-3 win.
Ross Ohlendorf made the rehab start but was not sharp. The 31-year-old journeyman gave up all three Keys runs on eight hits, including three hard-hit doubles.
While he walked just one, the former Diamondback farmhand faced multiple long counts as his command was spotty. For the velo who..er, enthusiasts, peeks at the guns were in the 89-91 range.
His counterpart, however, would need a vehicle to hit that speed. Frederick’s knuckleballer in training Zach Clark had the Potomac lineup fooled for about seven batters before Justin Miller knocked a flutterball off the left field wall in the 2nd, then Randolph Oduber put one over it for a two-run shot that gave Potomac a 2-1 lead.
Potomac would add three more in the third with three doubles by Caleb Ramsey, Kevin Keyes, and Adrian Sanchez. Clark would finish the evening by retiring the last seven in a row, but lost his sixth decision for the Keys while lowering his ERA from 14.06 to 13.19.
Greg Holt relieved Ohlendorf after he gave up his eighth hit to the leadoff batter in the 5th and earned his seventh win with two innings of scoreless relief, though he walked three — including the first two batters of the 6th. A grounder to third, a popup to third and strikeout enabled the 24-y.o. to escape the jam.
Colin Bates pitched the 7th and 8th and Rob Wort the 9th, as both relievers worked around multiple base hits (two in each inning) and combined for three scoreless innings.
The win was the fifth in a row for the P-Nats, who hit the road for four games in tax shelter Delaware against the Blue Rocks before returning home for their final regular-season homestand on Wednesday.