21 years ago this week the Boston Celtics were in the NBA finals. 21 years ago this week the Boston Celtics were playing against the LA Lakers. This was the era of Larry Bird, Magic Johnson and other NBA greats. That year, 21 years ago, Boston Celtics lost the NBA finals to the LA Lakers. 21 years later, the Boston Celtics are baaaaaaaaaack in the finals. 21 years later, the Boston Celtics are playing against the the LA Lakers. What an awesome week. Sports history in the making.