We know about earned run average, walks and hits per innings pitched. We know about a pitcher's ground ball rate, line drive rate, and fly ball rate. But what does all that actually mean. As most number people know, there is always misconception in using just one number. 

Meet Pitcher Success, or PS. What this shows, is the actual success a pitcher has on the field, independent of strikeouts. This shows how dominant a pitcher is, simply because he gets outs easier than other pitchers do.