"When you look at the news, when a guy goes in for an MRI, that's probably the best case scenario a guy can have," Girardi said. "No structural damage; you deal with some inflammation, some tendinitis, and we'll get through that. So for that, I'm very happy."
Girardi said that Pineda, 23, is still considered a work in progress and that some time out of the limelight -- where he'd been for most of camp, acquired from the Mariners in a blockbuster January trade -- might actually be a plus.
"I think there's been a lot of focus on him in camp," Girardi said. "There's always somebody who gets that, and it was him this year. Maybe this little couple-of-week break might be really good for him, actually."
Pineda had been in competition for a role in the starting rotation, and Girardi declined to answer when he was asked if Pineda had done enough to lock up a spot before reporting soreness behind his right shoulder on Friday evening.
"There was a lot of concentration on his velocity, which could have led to this," Girardi said. "He was getting people out. [Friday] was really the only rough start that he had had to this point. We really believe he's going to be a staple in this rotation for a long time. We have a little setback here and we have to move forward."