By Zac Vierra, Globe Correspondent

Going into his team’s game with Walpole, Brookline coach Joe Campagna had a good feeling. He felt the undefeated Rebels had a lot of pressure on them and his team could take advantage. The Warriors (4-2) did, defeating No. 3 Walpole, 4-3, at Parsons Field in Brookline Tuesday.

Senior righty Eric Dumas (2-1) picked up the win after allowing three hits and striking out four in seven innings, although it wasn’t easy.

“He struggled with control, walking seven,” said Campagna. “He pitched with a lot of guts and got outs when we needed it.”

Walpole (6-1) left 15 men on base and Brookline was getting out of trouble all game. In the first, senior right fielder Campbell Narron threw a runner out at the plate trying to score from second on a single.

“That was a big play,” said Campagna. “It kept them off the board and didn’t allow them to get that early lead.” In a game between the teams last Monday, the Rebels jumped out to a 6-0 lead and the Warriors could not recover in an eventual 6-4 loss.

In the fourth, Walpole was threatening again with two on and no outs but a timely 6-4-3 double play helped Brookline get out of the inning.

The Warriors got on the board the in the bottom half of the inning. After senior Seb Dobrow and Dumas singled to start the frame, Narron stroked an RBI double. Junior Scott Cordner then followed with a two-run single giving Brookline the 3-1 lead.

“Those are the kind of hits we haven’t been getting,” said Campagna.

In the bottom of the seventh, the Warriors got what proved to be the winning run when senior Henry Lucey singled to right driving home senior Mariano Suriel.

In the eighth, junior righty Nate Spielvogel came in to relieve Dumas. He allowed a pair of runs in the inning but held on for his second save when the Rebels stranded the tying run on second to end the game in the ninth.

It was a big win for Campagna's club.

“The kids were all smiles after the game,” said Campagna. “They knew what beating Walpole means.”