The Canelo Alvarez vs. Gennady Golovkin rematch, perceived by many to be the biggest pure boxing match since Floyd Mayweather vs. Manny Pacquiao, suffered a tremendous hit in the wake of Canelo's positive test for the banned substance clenbuterol. Golden Boy Promotions, who promotes Canelo, blamed the positive test to tainted meat, with the WBC and WBA essentially believing Canelo's story and supporting the fight moving forward. The fight itself likely isn't going to be affected much in terms of will it happen or not, but public perception has quickly turned sour, potentially affecting the final pay-per-view buyrate.

The most highly-watched heavyweight boxing fight on Showtime in years solidified Deontay Wilder as a boxing star, perhaps superstar, essentially creating even more demand for a potential superfight against Anthony Joshua. Wilder made one of the most impressive comebacks in a heavyweight world title fight in a long time by knocking out Luis Ortiz, Wilder's best opponent to date. The fight, which headlined Brooklyn's Barclays Center, drew in more than a million viewers on Showtime with a peak of nearly two million viewers on an extremely busy sports night.

All this and more covered on this week's edition of the Fightful Boxing Newsletter.

Fightful Boxing Newsletter (3/8) Table Of Contents:

  1. Canelo Alvarez Tests Positive For Clenbuterol (Page 2)
  2. Deontay Wilder vs. Luis Ortiz Review (Page 3)
  3. Sergey Kovalev vs. Igor Mikhalkin Review (Page 4)
  4. Vasyl Lomachenko vs. Jorge Linares Possible For May 12 (Page 5)
  5. Japanese Boxing Roundup (Page 6)
  6. British Boxing Roundup (Page 7)
  7. March 9/10 Showtime Boxing Preview (Page 8)

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