Roddick's backhand return of serve

[uspta146749877]

Pl see

http://www.tennisplayer.net/members/strokearchive/pro_men/andyroddick/andyroddick_backhand_return/ar_2nd_serve_ad/ar_2nd_serve_ad.html?ARBHRet2ndSAdCourtLevelSide7.mov

Any comments?
For example why he stays so deep?
Do we have any videos when Roddick is using one hander when returning a serve on a backhand side?