I think it's primarily health & age. It's less taxing to take shots outside than to try to drive up to much bigger, younger players constantly. I'd also say th

I think it's primarily health & age. It's less taxing to take shots outside than to try to drive up to much bigger, younger players constantly. I'd also say that as he got older, his athletic ability declined (injuries and age), so in order to continue getting points, he needed to attempt more shots.