Crawford (hamstring) is expected to be activated from the 15-day injured list Friday in San Diego, Christopher Smith of The Springfield Republican reports.
He will follow Garrett Whitlock (elbow) in a rehab outing Tuesday with Triple-A Worcester, with his next appearance expected to come out of the big-league bullpen. Crawford has been effective in long relief and logged a 1.25 ERA, 0.65 WHIP and 18 strikeouts in 21.1 innings across his six most recent MLB appearances.