The missing piece for the Celtics is a dominant big man

Is it a coincidence that most of the top-rated teams in the NBA have a dominant big man? Maybe not. In the East, top-ranked Toronto has Serge Ibaka, not terribly dominant on his own, but ably assisted by two potential MVP candidates, Kawhi Leonard and Kyle Lowry. The Milwaukee Bucks are second in the East and boast the Greek Freak, Giannis Antetokounmpo. Philadelphia starts Joel Embiid in the front-court and Indiana has Myles Turner. Detroit's Andre Drummond completes the East's top-5, all with winning records.

The 60's Celtics Championship teams had Bill Russell. The 70's teams had Dave Cowens. In the 80's, it was Robert Parish - and add in 6'10", freakish-wingspan Kevin McHale and 6'9"…