Have to think the whole contract thing (and trying to get more $$) might be playing on his psyche a bit. He has had a lot of poor at bats where it's literally swinging for the fences (and winding up with nothing), especially with RISP this year.
That change to whiff Dickerson around 14 seconds in is just filthy. If he can add that consistently to his repertoire...
http://m.mlb.com/video/v970757383/sdtor-sanchez-fans-seven-over-seven-shutout-innings/?game_pk=448353
In GIF form:
http://i.imgur.com/tauPTYS.gif