Getty Players Al Horford, Jayson Tatum and Jaylen Brown react as US President Joe Biden holds a basketball during a welcoming event for the 2024 NBA Champions Boston Celtics to the White House. Boston Celtics  star  Jayson Tatum said he grew up watching NBA champions visit the White House. On November 21, it was Tatum and the defending champion Boston Celtics’ turn to pay a visit to the U.S. president in his official residence and workplace. Tatum presented President Joe Biden with a Celtics