Ultimate at PPL Park

Early online promotions for the MLU Championship game included this image of PPL Park - the new venue to host Major League Ultimate's big game:

The juxtaposition of a soccer field in an ad promoting the sport of professional Ultimate was unsettling. (Though, in reality, Ultimate players know far too well the shared turf with football players.) Plus, with no mention of "ultimate," a person may not readily connect "MLU" to a non-soccer sporting event.

Just recently in the lead up to the final game of the MLU season, the venue image was updated:

The promotional event is accentuated by the custom-designed MLUlti field; not to mention, a growing crowd already waiting for the pro Ultimate game to begin! Who are those people? And, how long have they been there??