Dennis Knight's one-hitter gave James Madison a six-inning 2-1 victory at Georgetown in the second game of a doubleheader.
In the opener, the Hoyas ended the Dukes' nine-game winning, 7-6, thanks to two wild pitches in the ninth inning.
Jim Knicely's two-out, two-run double in the fifth inning accounted for both James Madison runs in the second game, which was called because of rain and darkness.
The hit off Knight set up Georgetown's run in the fourth.
The Hoyas won the opener in the ninth on a one-out single by Steve Iannini, a stolen base and two wild pitches. Iannini had three hits, including a double and scored three times.
Todd Whittaker had a double and single and drove in two runs for James Madison.
James Madison is 25-7, Georgetown 17-13-1 . . .
George Washington University scored twice in the bottom of the ninth to beat Duquesne, 8-7, in the second game of an Atlantic 10 Conference doubleheader on the Ellipse.
Duquesne scored four runs with two outs in the seventh inning to win the opener, 5-4.
GW is 6-22 overall, 4-3 in the Atlantic 10. Duquesne is 3-10, 1-8 . . .
In Annapolis, Navy swept a doubleheader from Princeton, 10-2 and 13-4, to improve its record to 23-8-2, 9-4-1 in the Eastern Intercollegiate Baseball League. Princeton is 7-17-2, 3-10-1.
Left fielder Andy Ponseigo and center fielder Andy Loferski each hit three-run homers . . .
At Bowie State, Tony Stewart, Art Lee and Craig Brown each had three hits in a 19-9 defeat of Virginia State in a Central Intercollegiate Athletic Association game. Virginia State is 0-8-1, Bowie is 8-4 . . .
Reliever John Volti helped William and Mary win two at George Mason. He got a save in the 4-3 opener, then won the second, 5-4, in 10 innings.
William and Mary got three doubles in the sixth inning of the opener, Buddy Key driving in the winning run.
In the second game, D.C. Aiken scored the winning run on Dan Zebroski fielder's choice grounder. George Mason is 12-19, William and Mary 18-13.