NBA Primary LogoNBA Alternate LogoNBA Wordmark LogoNBA Team History Who is the greatest center in the NBA of All-time? Dave Cowens Bill Russell Bob McAdoo Hakeem Olajuwon David Robinson Nate Thurmond Elvin Hayes Walt Bellamy Willis Reed Dikembe Mutombo Bill Walton George Mikan Moses Malone Kareem Abdul-Jabbar Wilt Chamberlain Patrick Ewing Shaquille O’Neal Wes Unseld Dwight Howard Robert Parish Poll …