Merryweather has been designated for the 60-day injured list with a rib stress fracture in his back, and he will be out of action until the start of June at the earliest.
Kilian has been posted to the 60-day injured list with a teres major strain in his right shoulder, and he is not expected to be available until the middle of July.
Scherzer is on the 15-day injured list while recovering from offseason back surgery, and he is not expected to make his season debut until the middle of May.
Bradford has been assigned to the 15-day injured list due to back soreness. He is also dealing with a stress fracture in his rib and there is no timetable for recovery.
Mahle is on the 60-day injured list while recuperating from Tommy John surgery, and he is unlikely to be available until sometime in July at the earliest.
deGrom has been moved to the 60-day injured list after having Tommy John surgery on his right elbow, and he is not likely to make his season debut until the middle of July.