With the amateurs I meant if someone wanted to compete and be an able boxer, not a world beater, but a decent amateur. Not even to go to pros, just for the pictures in the album and the medals on the wall. Like on a novice level (10-15 fights at best) or intermediate (fight at nationals?) is there a real difference between the late 20s guys and the teenagers, ability wise?
Sorry, I should have stated that I was referring to Pros with a few fights. Guys way past the basics.
viril hunter beliecves shadow boxing is the most important part of boxing training and I am inclined to agree when it is odne properly. andre ward does at least 12 rounds a day apparently.