Please don't put much emphasis on something so subjective as DRA. DRA even takes into account someone's opinion of the umpire, the catcher calling the game and framing, temp., someone's opinion of the park, the team's defense, etc.... Because there are far too many variables based on opinion, not fact, DRA is in the eye of the beholder. And by taking all that into account, it does a better job than any publicly available stat out there in predicting future run prevention. Because those things matter, they affect how a pitchers performance translates into preventing runs. Most of what you call "opinion" has a lot of data behind it. In the statcast era, framing isn't a matter of "someone's opinion". Nor is it "someone's opinion" that Marlins Park and Coors Field have an effect on the game. I'm especially intrigued by how temperature is an "opinion". Not to mention that all those things only add up to a small part of the DRA total. It's still about about singles, doubles, HRs, walks, strikeouts etc, all these other things just add context and slightly modify the run values. No stat is perfect, but it's the best we have. Far better than using ERA over a 20 inning sample to make definitive statements. Temp. isnn't an opinion, it's the difference that temp. makes in the game that's an opinion. Parks have an effect on the game, but again, it's an opinion as to the degree of effect a Coors Field compared to a Wrigley with the wind blowing out will have. Or a Padres ball park compared to other parks. ERA cannot be used alone as a determining fact on a pitcher. However it cannot be dismissed either. WHIP is a better factor, but again, cannot be used as a sole factor. Neither is subjective. Look at WAR. Extremely subjective. There are at least three different WAR descriptives out there. All three vary greatly with many of the mid-level players, based on opinion.