 Although Chamberlain racked up some of the most impressive statistics in the history of Northern American professional sports , because he won " just " two NBA championships and lost seven out of eight playoff series against the Celtics teams of his on @-@ court nemesis Bill Russell , Chamberlain was often called " selfish " and a " loser " . Frank Deford of ESPN said that Chamberlain was caught in a no @-@ win situation : " If you win , everybody says , ' Well , look at him , he 's that big . ' If you lose , everybody says , ' How could he lose , a guy that size ? ' " Chamberlain himself often said : " Nobody roots for Goliath . " 
