You may have heard about Crunch Fitness's convoluted marketing campaign—you know, the one with the underwear, where the people in their skivs somehow represent the liberation of no long-term contracts, and bringing in a pair of new underwear (to be donated to the homeless!) waives the initiation fee? I know, it makes me tired too. But all was forgiven this afternoon when I saw the hot, underwear-clad Crunch models roaming Wrigleyville. Now I say Crunch can market to me anytime. Aaron of Chicagoist spotted them in the Loop yesterday, and snapped a picture. The briefs brigade is scheduled to be popping up around town through tomorrow, so keep your eyes peeled.