Johnson (elbow) tossed four innings in his rehab start Sunday for Triple-A Pawtucket, giving up one run on four hits and two walks while striking out six.

EDGE Analysis

Johnson looked sharp in his sixth rehab start, allowing no extra-base hits while pumping in 36 of 62 pitches for strikes. Considering the lefty's 30-day rehab window will come to a close Thursday, there's a good chance his next appearance will come with the big club. Johnson has mostly worked in relief for Boston over the past two seasons but could be viewed as a candidate for the No. 5 spot in the rotation, which has remained unsettled since Nathan Eovaldi (elbow) landed on the injured list April 20.

Johnson will make a rehab appearance Tuesday, Christopher Smith of MassLive.com reports.

EDGE Analysis

Johnson has been appearing in rehab outings since the middle of May, with his most recent coming on Thursday with Double-A Portland. He's expected to make his next appearance with Triple-A Pawtucket, though it's unclear how long he'll pitch or when he might be activated from the injured list. He hasn't fared well in his four rehab outings to this point, surrendering nine earned runs across 7.2 innings.

Johnson (elbow) will make a three-inning rehab appearance for Double-A Portland on Thursday and another three-inning appearance for Triple-A Pawtucket on Monday, Chris Cotillo of MassLive.com reports.

EDGE Analysis

The Red Sox will determine Johnson's readiness to return from the injured list following Monday's outing. He'll have to pitch much better over those six innings than he's done thus far in his rehab assignment, as he's allowed 10 runs (seven earned) in 5.2 innings of work.

Johnson (elbow) needs two or three more rehab outings, Chris Cotillo of MassLive.com reports.

EDGE Analysis

Johnson has been out since early April. He's made three rehab appearances, giving up 10 runs (seven earned) in 5.2 innings of work. He'll need to sort things out before the Red Sox consider activating him from the injured list.

Johnson (elbow) will likely need two more rehab appearances with Triple-A Pawtucket, Michael Silverman of the Boston Herald reports.

EDGE Analysis

Johnson pitched in relief for the PawSox on Tuesday and allowed two runs on three hits and one walk in 1.2 innings. "He was very inconsistent with his delivery, not consistent with his breaking ball," manager Alex Cora said. "We'll see how he does with the next one. We need him to get right. Physically he felt better. As far as the other stuff, be consistent with the windup. His arm speed wasn't there. So he probably needs a few more." Johnson has been on the injured list since April 6.

Johnson (elbow) will make his second rehab start Tuesday at Double-A Portland, Alex Speier of The Boston Globe reports.

EDGE Analysis

Johnson began his rehab assignment six days earlier with Triple-A Pawtucket, tossing 1.2 innings and giving up two runs on three hits and a walk. He'll likely work no more than three frames Tuesday while preparing to rejoin the Red Sox in a multi-inning relief role once activated from the 10-day injured list.

Johnson (elbow) will begin a minor-league rehab assignment with Triple-A Pawtucket on Wednesday, Chris Cotillo of MassLive.com reports.

EDGE Analysis

Johnson will pitch two innings for the PawSox on Wednesday, and if everything goes off without a hitch, the southpaw will throw three or four innings in his next rehab appearance, likely to come Monday. Seeing as Johnson has been sidelined since April 6, he'll likely need to make a handful of rehab starts before being cleared to rejoin the big club.

Johnson (elbow) is scheduled to throw at Fenway Park on Saturday, aAlex Speier of The Boston Globe reports.

EDGE Analysis

Johnson completed a one-inning simulated game Tuesday and played catch Friday with no apparent issues with his elbow. The 28-year-old could be throwing a simulated game Saturday, but there's yet to be a final determination of the specifics. If all goes well the team will then make a decision about a potential rehab assignment.

Johnson (elbow) said he experienced no soreness the day after throwing one inning in a simulated game Tuesday, Michael Silverman of the Boston Herald reports.

EDGE Analysis

Johnson will play catch Friday, and the team will make a decision on the left-hander's next step. He could throw another simulated game or begin a rehab assignment.

Johnson (elbow) threw a simulated game Tuesday and is expected to throw another before beginning a rehab assignment, Alex Speier of The Boston Globe reports.

EDGE Analysis

Johnson has been out for over a month with elbow inflammation. His return date remains unclear.