US President Joe Biden throws a basketball as he welcomes the 2024 NBA Champions Boston Celtics to the White House in Washington, DC, during a ceremony on the South Lawn, November 21, 2024. (Photo by ROBERTO SCHMIDT / AFP) (Photo by ROBERTO SCHMIDT/AFP via Getty Images)

US President Joe Biden speaks as he welcomes the 2024 NBA Champions Boston Celtics to the White House in Washington, DC, during a ceremony on the South Lawn, November 21, 2024. (Photo by ROBERTO SCHMIDT / AFP) (Photo by ROBERTO SCHMIDT/AFP via Getty Images)

US President Joe Biden throws a basketball as he welcomes the 2024 NBA Champions Boston Celtics to the White House in Washington, DC, during a ceremony on the South Lawn, November 21, 2024. (Photo by ROBERTO SCHMIDT / AFP) (Photo by ROBERTO SCHMIDT/AFP via Getty Images)

US President Joe Biden speaks as he welcomes the 2024 NBA Champions Boston Celtics to the White House in Washington, DC, during a ceremony on the South Lawn, November 21, 2024. (Photo by ROBERTO SCHMIDT / AFP) (Photo by ROBERTO SCHMIDT/AFP via Getty Images)

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 in Washington, DC, during a ceremony on the South Lawn, November 21, 2024. (Photo by ROBERTO SCHMIDT / AFP) (Photo by ROBERTO SCHMIDT/AFP via Getty Images)

US President Joe Biden holds a basketball as he welcomes the 2024 NBA Champions Boston Celtics to the White House in Washington, DC, during a ceremony on the South Lawn, November 21, 2024. (Photo by ROBERTO SCHMIDT / AFP) (Photo by ROBERTO SCHMIDT/AFP via Getty Images)

US President Joe Biden walks with Governor of the Boston Celtics Wyc Grousbeck as he welcomes the 2024 NBA Champions Boston Celtics to the White House in Washington, DC, during a ceremony on the South Lawn, November 21, 2024. (Photo by ROBERTO SCHMIDT / AFP) (Photo by ROBERTO SCHMIDT/AFP via Getty Images)

US President Joe Biden speaks as he welcomes the 2024 NBA Champions Boston Celtics to the White House in Washington, DC, during a ceremony on the South Lawn, November 21, 2024. (Photo by ROBERTO SCHMIDT / AFP) (Photo by ROBERTO SCHMIDT/AFP via Getty Images)