Ranking Michael Jordan's Bulls and the greatest NBA dynasties ever

Stephen A. picks MJ's dynasty over Brady's (1:58)

Stephen A. Smith explains why Michael Jordan and the Bulls dynasty was more impressive than Tom Brady and the Patriots. (1:58)

Where do the 1990s Chicago Bulls rank among the greatest dynasties in NBA history?

As we prepare to look back on the Bulls' six championships with ESPN's 10-part documentary "The Last Dance" (debuting Sunday at 9 p.m. ET on ESPN and the ESPN App), it's worth considering Chicago's place alongside the league's other great multiyear runs.

Using a formula that combines regular-season and playoff success, with an additional bonus for repeat championships like the Bulls' pair of three-peats, I ranked the top 10 dynasties in NBA history. Let's take a look.