Chatwood is "shooting for" a late-June return. Anderson has learned to be less concrete with his timetables.
"It's kind of like the deal last year with my foot," said Anderson. "As soon as you set a goal or as soon as you set a date and then you don't hit that date, then you're just spinning."
"Unfortunately, I've been on the DL quite a bit so I've just learned to come in and take it day by day."
Cody Ulm is an associate reporter for MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.