I think a simple A/B is the way to go.
Something like Starting strength might be right up his alley. Getting stronger on the big lifts.
This is an A/B workout that I did that I really enjoyed:
T-bar rows 3x8
db incline bench 3x8
db curls 3x8
Decline bench crunches bwx3
Bench Press 3x6
DB Rows 3x8
Db lateral raises 3x8
Rev. Pec deckx3
I really enjoyed this routine. It is very similar to a John Christy style routine. I did it 3 times a week, but it would be just as suited for a twice a week routine. And, rep ranges can be changed where desired. That won't make a break the routine.
Zdravko Veselin Gaeta
I am not a powerlifter nor am I a bodybuilder. I just want to be big and strong.
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Make gains, not excuses.