Saul ‘Canelo’ Alvarez to face Gennady Golovkin in trilogy fight
Saul 'Canelo' Alvarez will face Gennady Golovkin in a trilogy fight in September rather than meet Dmitry Bivol in a rematch.
The Mexican Alvarez, 31, will return to super-middleweight, where he is the undisputed champion, after a shock…