The Big Three will stay together for a little while longer.
Allen has reportedly agreed to a 2-year $20 million deal that will keep him in the Celtic colors to try for another NBA Championship. The second year is a player option.
Allen averaged 16.3 points last season as the Celtics reached the NBA finals for the second time in three years.
In a 14-year career for Milwaukee, Seattle and Boston, Allen is second all-time in 3-pointers and fifth among active players with 20,965 points.