I don't know if anyone has seen this yet., but Park n Party has come to Ann Arbor (as well as East Lansing). For a slight upcharge, they will reserve a space for you at one of several lots around the stadium. These include Cubs AC for $17 per space, Berkley Ave for $50 a space, Ann Arbor Golf and Outing for $40-50 per space and Fingerle lumber for $35 per space. They will also do RV space reservations.
You can check them out at: www.parknparty.com
See you all at the game