But if things continue to progress like they have been, Lackey could return right around the time he is eligible to come off the disabled list, which is April 22.
"He's actually going to begin a throwing program tomorrow," said Red Sox manager John Farrell on Monday. "His symptoms have subsided, so any kind of range of motion that he's going through, where just a couple days ago he felt a little bit of tightness, that is gone. So we'll initiate that tomorrow."
Ian Browne is a reporter for MLB.com. Read his blog, Brownie Points, and follow him on Twitter @IanMBrowne. Jason Mastrodonato is a reporter for MLB.com. Follow him on Twitter @jmastrodonato. This story was not subject to the approval of Major League Baseball or its clubs.