By 
Ira Winderman @IraHeatBeat
Yes, NBA does keep a play-in record book.
Most points: Jayson Tatum, 50, Celtics vs. Wizards 2021.
Most rebounds: 23, Jonas Valanciunas, Grizzlies vs. Spurs, 2021.
Most assists: Russell Westbrook, 15, Wizards vs. Pacers, 2021.
Most steals: 5 (twice). Most blocks: 5 (3 times). – 2:05 PM
Yes, NBA does keep a play-in record book.
Most points: Jayson Tatum, 50, Celtics vs. Wizards 2021.
Most rebounds: 23, Jonas Valanciunas, Grizzlies vs. Spurs, 2021.
Most assists: Russell Westbrook, 15, Wizards vs. Pacers, 2021.
Most steals: 5 (twice). Most blocks: 5 (3 times). – 2:05 PM
