Truthfully I did what you are planning on doing in high school, and I regret it every day. I wish I would have just stuck to the football workouts. At one point I was overtraining, and throughout the rest of it, I would see strength gains, but not much muscle gains. My buddies always thought how weird it was that I was strong but didn't really look it. I'm pretty sure that if I would have just stuck to the Football workout I would have seen even better strength gains, and definately more muscle mass. Our workouts had speed training as well, the only thing I wish I would have done to add to our workouts was some endurance running in the mornings, because truthfully the endurance and speed is what will get you to the next level, and if your doing compound lifts 3x a week, you'll be strong enough by the time your a senior. I thought when I was a freshman/sophomore that I needed to catch up to the juniors and seniors, but in all reality there is usually a major growth difference between those age groups.
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