Kelly is 20. He will not be ready till after 2013, way after Dice-K departed. Then Lackey and Beckett are near the end of their deals at the time hopefully he steps in and fill as the back end guy and developed into a mid rotation starer.
I don't like Fielders. Don't want to give prospects and handout a blank check for the fatso. They could wait for A-Gon to hit FA in 2012 off season. They could sign Dunn to play 1B this offseason and move Youk to 3B in the event Beltre leaves (I expect him elsewhere).