Baker understands Team USA manager Jim Leyland is in a tough situation, but the Nats' skipper is trying to figure out a strategy to get Murphy and Roark ready for the start of the season quickly when they return to camp.
"That's not long enough," Baker said. "That's why I said I'm going to have to revamp my lineup until [Murphy] starts swinging better. He didn't have his stroke together when he left, can't get it sitting, and you can't get it really taking BP. You got to get some live pitching.
"The main thing is you can't force feed the time, because then you're risking injury.