Los Angeles Dodgers 7th Inning Valet Giveaway The first 200 fans get a ticket to have a valet pick up their car for them during the seventh inning stretch in order to beat the traffic of the other fans leaving during the seventh inning to beat the traffic home. Chicago Cubs Keep-Your-Shirt-On Double Header Challenge Every fan over the age of 21 sitting in the bleachers gets a complimentary T-shirt. If they manage to keep it on for both games, it’s theirs to keep! Co-sponsored by Old Style. Miami Marlins Firesale Night Fans may place a bid on any item…