Manny's stamina and endurance most probably come from growing up in a 3rd world country, little access to food while training and working hard as a kid. His body has obviously adapted quite well, especially when you throw some world class nutrition at it after it's been conditioned to deal with 3rd world normality. Nothing ariza gives him would top his decades of naturally hard body conditioning.
Working in construction as a prepubescent kid probably helped this as well. I don't think his body ever had it easy.
Ariza is overrating a dam protein shake. Everybody that works out usually drinks one(they should after every workout).
Ariza is getting to much credit for pac's power and speed.
Yeah, from what I've observed, Pac's power and speed has been there from the beginning.
I will credit Ariza for helping Pac move up the weight classes, though. Manny seems to be the reluctant kid when it comes to chowing down the calories while Ariza is always on top of things.
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