BOSTON — After a deflating loss to the Utah Jazz on Monday night, the Boston Celtics were in desperate need of some energy. Enter the “Lawnmower,” also known as first-year Celtic Josh Minott.

During 136-107 beatdown of the Washington Wizards on Wednesday evening, Minott posted a career-high 21 points in 34 minutes while shooting 50% from deep and 8-for-12 from the field. The former second-round draft pick was flying around on both ends of the floor and his raucous alley-oop finishes captivated the TD Garden crowd. Expand Tweet

Even Celtics star Jaylen Brown — who's now been in the league for nearly a decade — was impressed. The longest-tenured Celtic sounded very optimistic about his 22-year-old teammate.

“He's huge for us,” Brown said during his postgame presser. “Josh — his en

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