"It's imminent, it's coming very soon," said manager Bobby Valentine. "The way it seems right now, he's feeling very good."
In fact, the Red Sox offered Crawford a chance to take part in the home opener festivities at Fenway on April 13, but he would rather stay focused on his rehab.
Crawford will start his rehab as a designated hitter before progressing to defense and running the bases.
Two pitchers are also on the mend and should be able to help the Red Sox before long. Lefties Rich Hill and Andrew Miller were both set to pitch for Class A Greenville on Saturday night.