I think "gave his team chance to win" is a meaningful, albeit hard-to-quantify, measurement. With that in mind:
Verlander allowed two-or-fewer runs in 23 of his 33 starts. Kluber did so in 18 of 32, Sale in 17 of 32, Porcello in 15 of 33.
Of the four, Verlander had the fewest outings in which...