Courtney Murphy said she knew her name was absent from Friday’s watch list for the Tewaaraton Award, given to the best college lacrosse player in the country., Then she put on her best show of the year.

Murphy tied Stony Brook’s single-game record with nine goals Saturday as the Seawolves beat host UMass Lowell, 23-2, in America East Conference play. The attack from Shirley and Floyd High School scored eight goals in the first half and leads the nation with 56 goals.

“I definitely just go out every game trying to play my hardest . . . Anything like that is just another motivator,” Murphy said of being left off the Tewaaraton watch list. “I think I was just able to get open and my teammates were able to find me. Everyone kind of played a whole game. Everyone shared the ball. It was very unselfish play.”

Murphy opened the game with three goals and scored five of the first seven to give the Seawolves (9-3, 3-0 America East, ranked No. 8 by Inside Lacrosse) a 7-0 lead nine minutes into the game. Stony Brook led 18-0 at the end of the first half behind goals by Murphy, Samantha DiSalvo, Keri McCarthy, Kasey Mitchell, Kylie Ohlmiller, Dorrien Van Dyke and Kristin Yevoli. The Seawolves had a 16-3 advantage on draw controls in the first half and outshot UMass Lowell 27-7 before halftime.

Taylor Sokol and Kristina Keith scored consecutive goals for UMass Lowell (1-12, 0-4) in the second half, but Emily Marlow and Samantha Jaffe responded soon after.

“We’re evolving,” Stony Brook coach Joe Spallina said. “We’re starting to hit our stride.”

On Murphy, Spallina added: “She’s a big-time scorer and she proves it game in and game out. Eight first-half goals, I think that’s the kind of performance that sets the table for us and allows us to get rolling.”

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— Peter Cappiello