Not GGG bashing but...

[Fenster]

Golovkin is definitely an all-time great middleweight and first ballot HOFamer. All fighters that dominate one division for years get accused of weak opposition - Hagler, Hopkins, Calzaghe, Roy etc. In this day and age you can say he never unified the four belts, but having faced the highest ranked middleweights at the time offsets it (Canelo and Jacobs were top dog challenger when Golovkin faced them).

The greatest fighters in history suffer losses let alone have competitive, controversial, close fights against supposed subpar opposition.

Fair to say Canelo is the only fellow "great" on his record, and it's tragic the "L" will become more and more accepted in future regardless of how "greater" Canelo becomes, as he's the modern day Leonard, Tito, Oscar.