he is, however, right that arrieta is our best pitcher and i fully expected that going into the season One could argue that Jason Hammel qualifies for that title... Arrieta 6-4 3.16 ERA 77.0 IP 83 K 15 BB 122 ERA+ 1.117 WHIP 2.79 FIP 1.2 rWAR 2.0 fWAR Hammel 5-2 2.81 ERA 80.0 IP 80 K 12 BB 136 ERA+ 0.963 WHIP 3.17 FIP 1.6 rWAR 1.5 fWAR