January 20, NBA regular season, the Celtics beat the Warriors 121-118 at home
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Tatum played 48 minutes and scored 34 points, 19 rebounds, 6 assists and 3 steals on 9 of 27 shots.
According to statistics, for the first time in the history of the Celtics, a player scored at least 30 points and 19 rebounds in a single game. It dates back to March 9, 2000, when Antoine Walker scored 30 points and 19 rebounds to help the team beat the Bucks.