With seventeen NBA Titles and nearly sixty playoff appearances, the Boston Celtics are among basketball’s most winningest franchises. Since the club’s founding way back in the 40s, more often than not, you can find the C’s at or around the top of the league standings at the end of the year. In fact, Boston has won sixty games or more in the regular season thirteen separate times.
The good times don’t last forever, though. Even the mighty Celtics have had downturns, and some of the club’s worst regular seasons in its history are absolutely putrid or even tragic. Yes, Boston has shown a capacity to rebound from these stretches, but all the same, sometimes things just don’t go right in the Hub.
So what were the worst regular seasons in Celtics history? Let’s take a look at the lowest winning percentages Boston has ever produced: