My vote goes for Jhonny Peralta.Was a huge bust last year and had lasik eye surgery in the off season and look at his numbers this year:
<TABLE class=yspwhitebg cellSpacing=0 cellPadding=0 border=0><TBODY><TR><TD class=yspdetailttl style="BORDER-RIGHT: #f4f5f1 1px solid; PADDING-RIGHT: 0px; PADDING-LEFT: 0px; BACKGROUND: #e2e2e2; PADDING-BOTTOM: 7px; PADDING-TOP: 7px" align=middle width=60>Avg</TD><TD class=yspdetailttl style="BORDER-RIGHT: #f4f5f1 1px solid; PADDING-RIGHT: 0px; PADDING-LEFT: 0px; BACKGROUND: #e2e2e2; PADDING-BOTTOM: 7px; PADDING-TOP: 7px" align=middle width=60>HR</TD><TD class=yspdetailttl style="BORDER-RIGHT: #f4f5f1 1px solid; PADDING-RIGHT: 0px; PADDING-LEFT: 0px; BACKGROUND: #e2e2e2; PADDING-BOTTOM: 7px; PADDING-TOP: 7px" align=middle width=60>RBI</TD><TD class=yspdetailttl style="BORDER-RIGHT: #f4f5f1 1px solid; PADDING-RIGHT: 0px; PADDING-LEFT: 0px; BACKGROUND: #e2e2e2; PADDING-BOTTOM: 7px; PADDING-TOP: 7px" align=middle width=60>Runs</TD><TD class="yspdetailttl padded3px" style="BACKGROUND: #e2e2e2" align=middle width=60>SB</TD></TR><TR><TD style="BORDER-RIGHT: #f4f5f1 1px solid" align=middle>.281
</TD><TD style="BORDER-RIGHT: #f4f5f1 1px solid" align=middle>10
</TD><TD style="BORDER-RIGHT: #f4f5f1 1px solid" align=middle>31
</TD><TD style="BORDER-RIGHT: #f4f5f1 1px solid" align=middle>25
</TD><TD align=middle>1
</TD></TR></TBODY></TABLE>