The world of boxing has changed. But Canelo Álvarez endures

For those who like their boxing straight up, the Mexican’s win on Saturday night solidified his status as the signature fighter of this eraBoxing has changed. HBO and Showtime are gone. Once dominant fighters like Roy Jones, Bernard Hopkins, Andre Ward, and the Klitschko Brothers have left the arena. Big fights are gravitating to Saudi Arabia.In recent years, through it all, there has been one constant – Canelo Álvarez.Thomas Hauser’s email address is thomashauserwriter@