So you want to base the greatest with just championships? Then you would have to say Bill Russell is the greatest.
Do you even know what Majic did in 1980? Here's a little help...
http://en.wikipedia.org/wiki/1980_NBA_Finals
How that supporting cast, losing the MVP, your rookie year then going from point guard to play center and brining home the title along with the finals MVP. All at the ripe age of 20. (cause he left Michigan State after two years)
As the NBA call it "AMAZING"
People forget when Jordan was the "Bad Boys" aka Detroit Pistons little b!tch for three years in a row.