Yeah he is 3rd on depth chart because he is a slot reciever... but just because you are a slot reciever and 3rd on depth chart doesnt mean you are not the primary reciever. Jarvis Landry is #3 slot reciever but he is actually their #1. Julian Endelman is same way for Patriots. Matthews was probably their #2 overall reciever behind Alshon but was #1 bedorw his arrival