Crawford is inactive for Saturday's Wild Card game game against the Seahawks due to a hamstring injury.
St. Brown caught nine of 12 targets for 116 yards with two touchdowns while rushing twice for 68 rushing yards during Sunday's 36-27 win over Washington.
Crawford is signing with the Jaguars on Thursday, Tom Pelissero of NFL Network reports.
Crawford (concussion) was placed on IR on Wednesday.
Crawford (concussion) has been ruled out for Sunday's game against the Seahawks, Brad Biggs of the Chicago Tribune reports.
Crawford (concussion) has been declared out for Monday night's game against the Vikings.
Crawford won't return to Sunday's game against the Packers due to a concussion.
Crawford is being evaluated for a concussion after exiting Sunday's game against the Packers in the third quarter.
Crawford was released by the Dolphins on Saturday, Barry Jackson of the Miami Herald reports.
Crawford (hamstring) had two assisted tackles in Saturday's preseason game at Dallas.