The Bulldogs completed the weekend -- and doubleheader -- sweep of Brown on Saturday.
Yale won game one 6-4 and took the second game 5-2, and improved to 4-2 in Ivy League play. Brown fell to 2-4 in conference.
Kumar Nambiar in game one pitched into the sixth and benefited from early run support. Yale scored two in the first.
DeGraw scored on a wild pitch with Wanger and Dey both advancing. Alex Stiegler followed with a sac fly to score Wanger to give the Bulldogs a 2-0 lead.
Yale added three more in the fourth capped by Cal Christofori two-run single to left center.
Nambiar (3-0) allowed all of his runs in the sixth. His final line was 5 and 1/3 innings, seven strikeouts, one walk and four runs (all earned).
Teddy Hague went 2 for 4 with two runs scored for the Bulldogs.
In game two, Eric Brodkowitz tossed eight innings of one run ball to earn his second win of the season.
Brian Ronai went 2 for 3 and tied the game with a sac fly in the fourth.
Simon Whiteman doubled home DeGraw in the fifth to give Yale a 2-1 lead. Whiteman later scored in the inning on a throwing error.
In the sixth, the Bulldogs put pressure on the defense. Hague laid down a bunt single that forced a throwing error and allowed Harry Hegeman to score and make it 4-1.
Whiteman notched another RBI on a fielder's choice ground out to third that scored Ronai.
Sapsford pitched a scoreless ninth to earn his first save of the season.
Next up, the Bulldogs host Fairfield on Wednesday at 3:30 p.m.
Report filed by Ernie Bertothy, Yale Sports Publicity