I think that's a bit debatable. They've all been pretty bad. It's like trying to pick the worst of three different diseases. I got this from Fangraphs: Parra: 4.35 xFIP, 6.35 ERA, 1.84 WHIP, -0.65 WPA Wolf: 5.20 xFIP, 5.20 ERA, 1.56 WHIP, -1.60 WPA Narveson: 4.29 xFIP, 5.66 ERA, 1.44 WHIP, -0.72 WPA