Disturbing signs of decline for Duensing against LHBs last year? (Scroll all the way to the right hand side):

[TABLE="class: rgMasterTable, width: 100%"]

[TH="class: rgHeader"]Season[/TH]

[TH="class: rgHeader"]Handedness[/TH]

[TH="class: rgHeader, align: right"]IP[/TH]

[TH="class: rgHeader, align: right"]ERA[/TH]

[TH="class: rgHeader, align: right"]TBF[/TH]

[TH="class: rgHeader, align: right"]H[/TH]

[TH="class: rgHeader, align: right"]2B[/TH]

[TH="class: rgHeader, align: right"]3B[/TH]

[TH="class: rgHeader, align: right"]R[/TH]

[TH="class: rgHeader, align: right"]ER[/TH]

[TH="class: rgHeader, align: right"]HR[/TH]

[TH="class: rgHeader, align: right"]BB[/TH]

[TH="class: rgHeader, align: right"]IBB[/TH]

[TH="class: rgHeader, align: right"]HBP[/TH]

[TH="class: rgHeader, align: right"]SO[/TH]

[TH="class: rgHeader, align: right"]AVG[/TH]

[TH="class: rgHeader, align: right"]OBP[/TH]

[TH="class: rgHeader, align: right"]SLG[/TH]

[TH="class: rgHeader, align: right"]wOBA[/TH]

[TR="class: rgRow"]

[TD="class: grid_line_regular"]2013[/TD]

[TD="class: grid_line_regular"]vs L[/TD]

[TD="class: grid_line_regular, align: right"]30.1[/TD]

[TD="class: grid_line_regular, align: right"]- - -[/TD]

[TD="class: grid_line_regular, align: right"]132[/TD]

[TD="class: grid_line_regular, align: right"]37[/TD]

[TD="class: grid_line_regular, align: right"]6[/TD]

[TD="class: grid_line_regular, align: right"]1[/TD]

[TD="class: grid_line_regular, align: right"]10[/TD]

[TD="class: grid_line_regular, align: right"]10[/TD]

[TD="class: grid_line_regular, align: right"]3[/TD]

[TD="class: grid_line_regular, align: right"]7[/TD]

[TD="class: grid_line_regular, align: right"]1[/TD]

[TD="class: grid_line_regular, align: right"]1[/TD]

[TD="class: grid_line_regular, align: right"]36[/TD]

[TD="class: grid_line_regular, align: right"].298[/TD]

[TD="class: grid_line_regular, align: right"].344[/TD]

[TD="class: grid_line_regular, align: right"].443[/TD]

[TD="class: grid_line_regular, align: right"].341[/TD]

[/TR]

[TR="class: rgAltRow"]

[TD="class: grid_line_regular"]2013[/TD]

[TD="class: grid_line_regular"]vs R[/TD]

[TD="class: grid_line_regular, align: right"]30.2[/TD]

[TD="class: grid_line_regular, align: right"]- - -[/TD]

[TD="class: grid_line_regular, align: right"]136[/TD]

[TD="class: grid_line_regular, align: right"]31[/TD]

[TD="class: grid_line_regular, align: right"]5[/TD]

[TD="class: grid_line_regular, align: right"]2[/TD]

[TD="class: grid_line_regular, align: right"]18[/TD]

[TD="class: grid_line_regular, align: right"]17[/TD]

[TD="class: grid_line_regular, align: right"]1[/TD]

[TD="class: grid_line_regular, align: right"]15[/TD]

[TD="class: grid_line_regular, align: right"]3[/TD]

[TD="class: grid_line_regular, align: right"]1[/TD]

[TD="class: grid_line_regular, align: right"]20[/TD]

[TD="class: grid_line_regular, align: right"].258[/TD]

[TD="class: grid_line_regular, align: right"].348[/TD]

[TD="class: grid_line_regular, align: right"].364[/TD]

[TD="class: grid_line_regular, align: right"].311[/TD]

[/TR]

[/TABLE]

I know almost everyone turned the Twins off after the All-Star break, but Duensing was pretty lights out the second half with a 1.215 WHIP, 8.9 K/9, 4.33 K/BB, 3.08 ERA.

I wouldn't expect Diamond to come anywhere near those numbers.