Boston Celtics star Jayson Tatum made a gesture after Cooper Flagg was drafted first overall by the Dallas Mavericks.

Cooper Flagg Turns Heads With Jayson Tatum Message After NBA Draft originally appeared on Athlon Sports. Cooper Flagg entered the 2025 NBA Draft with enormous expectations after a dominant freshman season at Duke. The 18-year-old forward had long been projected as the No. 1 overall pick, and on draft night, the Dallas Mavericks made it official.

Boston Celtics guard Jaylen Brown (7) talks with teammate guard Derrick White (9) after being called for a technical foul during the second half of Game 4 of the NBA Eastern Conference basketball finals against the Indiana Pacers, Monday, May 27, 2024, in Indianapolis. AP Photo/Michael Conroy