I got caught up on the last part of this post, and I never responded to the intent of it. I find the need to rebuild overblown. They dont need to rebuild from a team that won 97 games. What they need to do is to get back to what worked. Look at the rotations from 96-01 and you see a smattering of youth and age.
In 96, Pettitte, Cone and Key were their big 3. That is the one year that they got 171 innings worth of pure domination from Mo and Wetteland. And they got 100+ innings of slop work from Mendoza
In 97, it was Pettitte, Wells, and Cone while they had quite possibly the best bullpen they ever had. Mo was sub 2, Stanton, Boehringer, and Nelson were sub 3 and Lloyd was at 3.3 while Mendoza ate 130 innings of swing/spot slop.
In 98, it was Pettitte, Wells, Duque, Cone and Irabu that were flat out dominant (yes Irabu was good for one yr). Rivera, Holmes and Nelson were fantastic in the pen and Mendoza at 130 innings of slop work again.
In 99, duque and cone were the best pitchers, but Clemens and Pettitte ate innings. Rivera, Grimsley, and Stanton were great in the pen and Mendoza at 130 innings of slop work yet again.
In 00, Clemens, Pettitte, and El Duque were reliable while Coney spit the bit. Mendoza only was at 65 innings. Rivera had his worst career yr and Nelson was strong.
In 01, Clemens, Pettitte, and Mussina were fantastic. Mendoza cracked 100 innings again, Rivera was great and Stanton was very good.
In 02, they had 6 solid starters until George dealt for Weaver. Mussina, Wells, Pettitte, El Duque, and Clemens were fantastic. Rivera missed a lot of time, but Stanton, Karsay and Mendoza ate 250 innings of bullpen combined and were fantastic.
In 03, the yankees got 842 innings from Clemens, Pettitte, Mussina and Wells. Mariano was fantastic but nobody was there to eat a huge load of innings like Mendoza had been for so long. They relied on guys like Hammond and Osuna who had good numbers, but were horrible in close situations. Karsay was down for the count. This was the beginning of the end. The pen was horribly misshapen, but the slack was picked up by the rotation.
In 04, no starter broke 200 innings and no starter (aside from the 15 starts el duque made) was below a 4ERA. Mariano and Gordon were fantastic and Quantrill ate innings, but the pen couldnt bear the weight of the lack of a reliable, durable, effective starter and fell in the choke of the century. Honestly, I have no idea how this team was 3 outs away from the WS. With this pitching, this team shouldnt have made the playoffs.
In 05, RJ was the only constant and the only guy above 200IP. Mussina pitched in with 172 innings of reliable but unimpressive work. Aaron Small and Shawn Chacon became household names for a bit. Pavano, Mussina, Brown, Wright and Wang spent significant time on the DL. The bullpen was 2 men deep.
In 06, RJ and Wang broke 200IP. Mussina was right there with 197. RJ declined, Mussina surged and Wang became the young ace. Proctor assumed the position that nobody was able to fill since Mendoza signed, but he was doing double duty in a setup role. The pen was better and has promise. The rotation needed an overhaul as the 4 and 5 slots sucked and the 3 was 200IP of crap performance.
To get back to the old days, we just need durability out of the rotation and a good bullpen. Every yankee team from 96 to 02 had a rotation with three durable starters for the most part. Not all 3 were fantastic, they slipped to and fro over time, but were not overly dominant. No starter had a sub 3 era since 97, but they took the hill. The bullpen had a slop guy who ate a ton of innings (Mendoza). The bullpen also had at least Mo and a solid setup man. And the offense was good enough to win.
Then we turned the page to all offense, only Mo in the pen and a HORRIBLE rotation in 04. Last season's pen and rotation were much improved, but we need more out of our 4 and 5.
My long winded, overly drawn out point is that the yankees have recognized their issue. They had nobody to come up to pitch from the minors. They relied on retreads who were not good and paid through the nose for them. So he is now developing his pitching or trading for it, before it gets expensive. Which means, other teams find these guys attractive too. By harnessing a crop of pitching in the minors, he leaves the toughest part of being a baseball GM up to his development staff instead of hoping and praying for a guy coming off a career yr to translate it to NY after signing a contract that sets them up for life and then some.