Doc made the right call starting Marbury. Even though he's super-rusty, out of basketball shape, doesn't have his legs back, and doesn't know the plays, Marbury's still the 2nd best point guard on the team. And even though Eddie's been with the team 2 years, presumably knows all the plays and their various permutations, and is in perfect basketball shape, he's still the worst point guard on the roster (behind Rondo, Marbury, Pruitt, and even Tony Allen). If Doc's smart, he bumps Pruitt up to 2nd string point, and keeps Eddie as backup 2 guard, only using him at point down the stretch if necessary (because Paul/Ray are bringing the ball up and doing most of the ball handling).
In every crisis there's an opportunity--in this current injury crisis we get to jump start Marbury's development with the Cs and see what the kids can do. Here's hoping Doc keeps that in mind.