This includes Ryan Kalish, who hasn't played in the Major Leagues since 2010 because of a series of injuries related to a collision last season at Triple-A Pawtucket.
"Kalish is hitting on a field and throwing out to 120 [feet]," said general manager Ben Cherington. "He's coming along well."
When will Kalish start playing in games?
"No decision on that yet, but he's coming along and hitting on a field," Cherington said. "We'll let him do that for a while and then get him live BP and then get him into game action down there. No timetable on him."
Jacoby Ellsbury, who went down with a partially dislocated right shoulder in the April 13 home opener, is also making good strides.
"Ellsbury's been making progress," said Cherington. "He has a lot more range of motion and soreness is going away. We just need to get full range of motion and a little bit of strength before he can really get into baseball [activities]. He's coming along and feeling better."
What about Carl Crawford, who has a UCL sprain in his left elbow?
"He's not throwing yet," Cherington said. "He has not started swinging yet. He's going to get checked a few days from now, and if he's doing well, he'll start some of that activity. We're just trying to keep his legs going as best as we can."