The Celtics have won 17 NBA championships.....
The Boston Celtics have won 17 NBA championships.
The Boston Celtics
Out of 13 seasons, Russell won 11 Championships with the Celtics.
3 NBA Championships (1981, 1984, 1986)
They have one 17 championships and they are going to win tonight(:
The Celtics won eight consecutive NBA championships between 1959 and 1966. No other North American professional sports team has won that many championships in a row.