Rodriguez (oblique) will have another up-and-down session with Double-A Portland on Saturday and should be activated off the 15-day injured list Monday, Jen McCaffrey of The Athletic reports.
Rodriguez has pitched well in his three rehab appearances so far with six strikeouts over three scoreless innings. The left-hander has yet to pitch for the Red Sox this season due to an oblique strain, but it appears he'll be ready to help the Boston bullpen early next week.