Maybe park by the tennis courts in Johnson park. Have the bus drop you off in front & hike it a little after the game back to the bus? RAC is really the only other option.
Jumba,
If some of your group have not purchased tickets already,remember that kids in Kindergarten through 8th grade can get FREE tickets,plus a FREE hot dog and soda and they can participate in the Scarlet Walk before the game. All Rutgers alumni can get tickets for $35. Call the ticket office Monday-Friday 9:00-5:00.