Project manager: Ned Colletti .
General contractor: Joe Torre.
Unknowns: Can Manny Ramirez be the weapon he was before the PED suspension last year? Where will his head be in the last year of his contract? Can Purdue's Josh Lindblom bring an impact arm to an already deep bullpen?
Final inspection: Health is essential as it doesn't appear Colletti has the usual flexibility to improve on the fly.
RockiesStarting point: 92-70, 2nd, wild card (lost to Phillies in first round).
Project manager: Dan O'Dowd.
General contractor: Jim Tracy.
New materials: C Miguel Olivo, 3B-OF Melvin Mora, C Paul LoDuca.
Job description: Replacing 15 wins and a career-high 216 innings from Marquis is the primary task for a team that is otherwise set. That shouldn't be difficult if former ace Jeff Francis is fully recovered from the shoulder surgery that sidelined him in 2009. Lefty prospect Christian Friedrich, a Chicago native, isn't far away.
GiantsStarting point: 88-74, 3rd.
Project manager: Brian Sabean.
General contractor: Bruce Bochy.
Job description: The challenge is producing more runs to support a pitching staff that allowed only 611 last year, matching the Dodgers for fewest in the majors.
Unknowns: Can Pablo Sandoval improve his fielding at third base and take another step forward, becoming an All-Star? Will the re-signing of catcher/cleanup man Bengie Molina slow the development of Buster Posey? Is DeRosa recovered from the wrist injury that limited him in St. Louis?
Final inspection: With two-time NL Cy Young Award winner Tim Lincecum, Matt Cain, Barry Zito, Jonathan Sanchez and top prospect Madison Bumgarner (27-5, 1.69 ERA in 49 games), it won't be a surprise if the Giants win 90-plus games.
PadresStarting point: 75-87, 4th.
Project manager: Jed Hoyer.
General contractor: Bud Black.
Job description: Improving the lineup around All-Star Adrian Gonzalez is the primary challenge, although the rebuilding of the rotation isn't far behind.
Final inspection: Few teams in the majors seem less hopeful. The next big Padres headline is likely to involve a trade of Gonzalez, one of their last real assets.
DiamondbacksStarting point: 70-92, 5th.
Project manager: Josh Byrnes.
General contractor: A.J. Hinch.
Job description: With ace Brandon Webb's availability and effectiveness a question after shoulder surgery, the Diamondbacks are rebuilding their staff without two guys with the best arms, Scherzer and Schlereth.
Unknowns: Can Kennedy thrive outside New York? Why did the Tigers opt to trade Jackson after a strong season? Can center fielder Chris Young join Mark Reynolds as a consistent run producer despite high strikeout totals?
Final inspection: Webb's well-being will go a long way toward determining if the Diamondbacks can bounce back with a winning season.
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