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