Re: No teens in the top 250!
I think tennis having become so physical is the reason why there are no teens in top 250. A good example on physicality's effect is that WTA is less physical and has more young players in top than ATP.
My blog: August on Sports
My twitter: @AugustOnSports
2014 Australian Open Champion | 2014 Monte Carlo Masters Champion
2008 Paris Masters Champion | 2014 Toronto Masters Champion