I would work on rounding the edges. Try using the pen tool for footballs and helmets and other thinks that gotta look round. A little more practice and I think you've got it.
Time to bump this thread, just read an article at Star Tribune saying that Adrian Peterson wants to play at 230 lbs. :o
Link here
http://www.startribune.com/sports/vikings/...GEP7vDEh7P:DiUs