The Boston Celtics.
The common noun for the Boston Celtics is basketball team (or simply team).
the boston celtics have always been called the boston celtics.
The Boston Celtics are from Massachusetts.
Miami Heat, Los Angeles Lakers, Boston Celtics
Boston is an Irish city so the celtics are an Irish team
He was a part of the 1980 boston celtics
The Boston Celtics
The Boston Celtics play in the Eastern Conference.
The Celtics play at the TD Garden in Boston, MA
It is likely that they were named the Celtics because of Boston's large Irish-American population.