This is the correct ranking.
2-4 are all super close.
Dirk won a championship as the main man on his team. He also took what was the worst franchise in pro sports and turned it into just behind the Spurs in winning percentage.
Garnett won a championship as part of a Big 3. He didn't have playoff success in Minny and went to Boston to team up with 2 HOFs.
Malone and Barkley were amazing, legendary players but no championships so I gotta put them behind Dirk and Garnett.