Yes, I know the eras were different. Yes, there were fewer teams. Yes, basketball looked completely different in the 1950s and 60s. We have heard every argument.
But 11 rings are 11 rings.
Bill Russell is the winningest player in NBA history, capturing 11 championships in just 13 seasons with the Boston Celtics. Think about that for a second. Russell essentially entered the NBA, won almost every year, and left.
His individual résumé wasn’t exactly lacking either. Russell won five NBA MVP awards, made 12 All-Star teams and 11 All-NBA teams, and became one of the greatest rebounders the sport has ever seen. He averaged 22.5 rebounds per game for his career and once grabbed an absurd 51 rebounds in a single game.
But Russell’s greatness was never primarily about scoring.
It was about winning and defense.
In my opinion, Bill Russell is the greatest defensive player in NBA history. With Russell protecting the paint, Boston consistently produced elite defenses. He transformed shot blocking into more than simply sending the ball into the stands. Russell often tried to control his blocks and keep the ball in play, turning defense immediately into offense for the Celtics.
Unfortunately, blocks were not an official NBA statistic during his career, so we will never know exactly how many he averaged. There are reconstructed games and historical accounts suggesting some ridiculous numbers, but we don’t need to pretend we know an exact figure.
We know what his defense did to opposing teams.
And imagine trying to score inside against him. You get past your defender, think you’ve got an easy look at the basket, and there is Russell waiting for you. Maybe you get the first one up. Maybe even the second.
Eventually, Mr. Russell is sending it back.
His rivalry with Wilt Chamberlain also defined an era. Wilt produced statistical numbers that look like they came from a video game, while Russell’s Celtics kept collecting championships. Their careers became one of basketball’s earliest examples of the debate we still have today: individual statistical dominance versus team success.
And when everything was on the line, Russell was almost unbeatable. Across his college and professional career, his teams went a remarkable 10–0 in winner-take-all games. When there was no tomorrow, betting against Bill Russell was generally a terrible idea.
Russell even made history beyond playing. In 1966, he became player-coach of the Celtics, becoming the first Black head coach in NBA history. He then led Boston to championships in 1968 and 1969, meaning his final championship came with Russell simultaneously playing and coaching the team.
His importance also stretched far beyond basketball. Russell was an outspoken advocate for civil rights during an era of enormous racial tension in America. His accomplishments and leadership helped make him an important figure not just in NBA history, but in American sports history.
Decades later, his influence is still everywhere.
The NBA Finals MVP award is named after Bill Russell, and following his death, the NBA permanently retired his No. 6 across the entire league—the first player ever given that honor.
You can debate eras. You can debate competition. You can debate where Russell belongs compared with modern superstars.
What you can’t debate is the winning.
13 seasons. 11 championships. Five MVPs. One of the greatest rebounders ever. The greatest defensive player ever, in my opinion, and the centerpiece of the greatest dynasty basketball has ever seen.
Bill Russell helped lay the foundation for what the NBA eventually became.
The winningest player of all time earns the #6 spot on my list

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