I agree, but that doesn't mean you get rid of Pedroia.
Getting rid of Beckett should be the #1 plan.
#2 should be to get a pitching coach that actually knows what the hell he's doing, and didn't get fired from a team who couldn't touch .500.
#3 should be to explore trades for guys like Lester. Eat Lackey's contract and see if you can trade him. Get DiceK off the books. And rebuild your pitching rotation.
You don't need to rebuild the entire offense. You need to at least have 1 of your SS/C combo to be able to put up an OBP over .350. We have that. In Lavarnway. Then you can sacrifice your SS offense for elite, elite defense. That alone will help your pitching staff.
You don't need to blow up the whole team. You need to blow up the rotation outside of Buchholz and Doubront. The bullpen with Bard, Bailey, Wilson, Aceves, Miller, Breslow, and Tazawa is a very good bullpen.
The Sox still have a very good offense (much better with Lavarnway up), they have a very good bullpen.
Do we need to blow up the team? No, not the whole team. We need to isolate the problem. And I think it's pretty clear where it is. It's the SP. So do we blow up 3/5 of the SP? Absolutely.
Buchholz can lead this staff. I slot him as my #1. I slot Doubront as my #3/4. If we don't trade Lester, fine, I slot him as by #2. I still think Lester is a very good pitcher, just having a significantly down year.
I would rather see Tazawa in the #4/5 role than Lester or Beckett, myself. He's looked incredible out of the bullpen, and he's young enough that he can make the transition. His peripherals have always been good, especially his walks (career 2.6 BB/9 in the minors), and he strikes out plenty (10.7 K/9 in AAA, 9.0 in entire minor leagues).
So now you have a potential rotation of Buchholz - Lester - _______ - Doubront - Tazawa. Maybe you go out and trade for a guy like Matt Garza, or Justin Masterson and slot one of them in that 3 hole. Maybe you go out and sign a guy like Edwin Jackson, or Hiroki Kuroda and slot them in the #3 hole.
Is this an elite rotation? Not by any means. But is it a giant step in the right direction? 110% yes. Can that rotation lead this team, with that lineup and that bullpen to 89-92 wins? Yup. Would I put Clay Buchholz up against any team and any pitcher in the MLB in a 1 game play in game? With our lineup, and our bullpen, yup, I'd feel comfortable with that.