Mets and Diamondbacks MLB pick for action on Thursday David Peterson to start for New York Peterson has 15 starts in EA 2.85 whip of 1.32 the Lefty fans 18% 10% walks ground balls 52% 74 home runs for9 n is fit 4.19 does imply a rise in ER based on his numbers Ryan Nelson starts for Arizona Nelson appeared in 24 games ra 4.29 whip of 1.2 to eight the right-hander Strikes Out 20% 5 half% walks as ground balls are 41% point9 home runs for nine innings Peterson's allowed two ear runs or fewer in 11 of his past 12 starts Nelson's allowed two ear runs or fewer in three of four Arizona in their past five games batting 283 Arizona's won 20 to 26 after the open of the series play Arizona minus 111