Growth, at times, can be as painful and agonizing as it is rewarding, and the Celtics experienced that firsthand in their NBA Cup duel with the Magic on Friday night.

During his time suiting up for the Celtics, Lee wore only jersey No. 42 and put up 7.1 points, 4.3 rebounds, and 1.8 assists per game.

The Boston Celtics and Orlando Magic announced their starting lineups ahead of their Emirates NBA Cup matchup on Friday. The Celtics are coming off of a bounceb

These kinds of starts often happen to teams losing a big part of their core identity, and so far, Boston has not panicked because of it.

The Celtics have prioritized building an unbreakable mindset early this season. Here are nine lessons from their first nine games.

Anfernee Simons played just two minutes in the first half, but he made his presence known in the fourth quarter of the Celtics' loss to the Magic.

Today in Boston Celtics history, Thomas Ernest "Satch" Sanders was born in New York City, New York. Satch -- as he was often called for a nickname -- played his NCAA basketball at New York University, and was drafted by the Celtics with the eighth overall in the 1960 NBA Draft.