Bold moves by the Diamondbacks.

Not content to rely on the improvements of the young players they went out and got an impact player of the trade market in Dan Haren.

He’s young, talented, relatively inexpensive and under the teams control for the next few years. He is a tremendous upgrade in the rotation over Livan Hernandez, and now, if you can just find a way to keep Randy Johnson healthy, that’s quite a rotation for the next season.

Even if they can’t, Webb and Haren is a good one-two punch. Haren was third in the American League in ERA, seventh in strikeouts with 192. And, he’s another innings-eater, racking up 217 innings pitched or more in each of the last three years.

The cost was high. Not only did it cost them top prospect, outfielder Carlos Gonzalez and left-handed pitcher Brett Anderson, but I suspect it also cost them Jose Valverde.

The Diamondbacks are a cost conscious organization, and adding salary like Haren means taking it away somewhere. Valverde, I suspect, was the victim of that.

He was due for a big raise through arbitration this year. He was, in my mind, the MVP of the Diamondbacks last year after recording 47 saves. But, if you are looking at positions of strength for the Diamondbacks, power arms in the bullpen is one of them. They have a lot of them. And it allowed them to deal Valverde and replace him with Tony Pena or Brandon Lyon. Juan Cruz can slide up. Chad Qualls, picked up from Houston for Valverde, is a late innings guy.

And if Valverde is a stock, now is perhaps the time to sell. Do you trust him to save 47 games next year?

Either way, they have the arms in the bullpen to replace him, and now, they’ve got a one-two punch in the National League that makes just about everyone else jealous.

Is it the best in the NL? The only one I can think of off the top of my head that might be better is Peavy and Young in San Diego.