Mayweather-McGregor was a spectacle few really expected to see until it was actually signed, featuring as it did two of the biggest names in two entirely different sports. Canelo-Golovkin in contrast was a fight the boxing world, fans, media and other fighters that is, clamoured to see.
Gennady Golovkin rose to prominence with brutal displays of power. He destroyed opposition to win the IBF and WBA middleweight titles, combining ferocity with technical ability to serve up highlight reel knockouts. Recall his finishes of Matthew Macklin, with a hellacious body punch delivered with seeming ease, or flattening Daniel Geale somehow as the Australian himself was landing a punch.
Saul Alvarez has fought his way up from the bottom rung of boxing in Mexico. Known as “Canelo” or Cinnamon because of his ginger hair, he turned professional when he was merely 15 years old and step by step built up a fanatical following as he fought his way to the top. He rose from welterweight, boxed, and lost to, Floyd Mayweather a little too early in his career. Mayweather was too clever for him then but Alvarez developed from it.
In 2015, fighting at a catchweight of only 155lbs, Canelo defeated Miguel Cotto to win the WBC middleweight title. The clamour for a unification fight then reached fever pitch.