Yes players change obviously. I was referring to everything though. Including the guys running out with the mascots, cheerleaders etc. AND letting them do their thing dynamically. Have each person run out on the field and not always start in the exact same spot, running at the exact same pace. They might hoot or holler sometimes, or (as shown in in the video) trip, or pump their fists etc. You wouldn't see people run out on a field the exact same way every time. Do away with canned sequences and program dynamic ones where each person has various things they could do each time.