I dont see any scenerio where Mayo is on the post season roster. WIll proabably be either Soto or Rivera for the last position player roster spot depending which one they want. They both probably wont play. Soto makes sense as a versatile defensive replacement in a pinch, and Rivera makes sense as a right handed pinch hit option for O'Hearn and if Mounty is not able to come back so I would guess its Rivera as I dont see some combination of Gunnar/Westy/Urias/Holliday not being on the field.