Early in the fourth quarter and with mainly backups on the field for Manhasset, defenseman Rob Duvnjak walked along the sideline with a precautionary ice pack wrapped around his right hand. That didn’t stop him from handing out congratulatory fist bumps.

The result was long in the Indians’ favor. Powered by a hat trick of hat tricks — Matt Tompkins, Pat Moroney and his younger brother Quinn Moroney scored three goals apiece — Manhasset cruised past Putnam Valley, 13-4, last night in a state Class C boys lacrosse semifinal at Hofstra’s Shuart Stadium.

Manhasset (19-0) scored five first-quarter goals and led 8-1 at halftime. Seven different players scored and 10 registered at least one point as the Indians extended their state-best winning streak to 35 games.

They’ll play Corning East (17-4) of Section IV in the state Class C final at 1:30 p.m. tomorrow at Stony Brook’s LaValle Stadium. A win would give Manhasset back-to-back state championships.

This was the type of game Manhasset called fun — reserves from the attack unit, midfield, defense and goalie all saw playing time. Coach Bill Cherry said it was what the team, ranked No. 2 in the nation, works for. “We always say let’s work hard, and if the team we’re playing doesn’t work as hard as us then shame of them,” Cherry said. “We just can’t get sloppy and selfish.”

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Crisp passing led to several scores. Nine of Manhasset’s scores were assisted.

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Quinn Moroney, a sophomore attack, scored less than a minute in off a Drew Belinsky pass and Tompkins scored from Moroney four minutes later. Pat Moroney, a senior midfielder, scored from Harry Kucharczyk to cap the 5-0 opening run.

Quinn Moroney added two second-half goals, the second making it 12-1 with 11:09 left in the game. He said he wanted to score a couple after his brother had five goals in an 11-7 win over Glenn in the Long Island championship on Tuesday. “That was my goal,” Quinn Moroney said. “He was rubbing in it.” “How many did he have?” said Pat Moroney, who scored his third goal in the third quarter, asked. “We had the same amount? That’s pretty good.”

Faceoff specialist Ricky Buhr won 11 of 14 draws and scooped eight ground balls. Manhasset outshot Putnam Valley, 18-5, in the first half. Duvnjak had four ground balls and four caused turnovers. Belinsky had one goal and two assists.

“We’re hard to scout because we don’t have that one guy,” said Tompkins, who scored two first-quarter goals and added his third in the third quarter. “We have different guys who come out in different games and play their best. We just knew we had to come out strong.” Of the upcoming championship game against Corning East, Pat Moroney looked into his crystal ball. “We won it,” he said. “I’m not going to predict a score, but we won it.”