Here's more on Tatum's new 3-point celly and how it came to be. Jayson Tatum's 3-point celebration, explained. After a made 3-pointer, Tatum raises both arms and uses his left han

Star Boston Celtics forward Jayson Tatum has developed a killer instinct on the court, and his teammates know it as much as the fans and the media does. When the St. Louis native joined the NBA in 2017, he was known as a dangerous but nice player. He has grown stronger and more competitive in the ensuing years, and meaner more recently as well.

Boston Celtics' Jayson Tatum, left, drives past Orlando Magic's Anthony Black during the first half in game 1 of a first-round NBA playoff basketball series Sunday, April 20, 2025, in Boston. (AP Photo/Michael Dwyer) AP