Pacquiao was 151 lbs on fight-night HBO's unofficial scale against Bradley last month.
Alvarez was 174 lbs on fight-night on Showtime's unofficial scale against Angulo 2 months ago.

Welter - Pacquiao
Light-Middle
Middle
Super-Middle
Light-Heavy - Canelo Alvarez

This $#!t's ridiculous, y'know, effin' day-before-weigh-in $#!t.
What a stupid idea that was when they did that in the mid-80s.