Underdogs Is Now Open on 9th Street By Foobooz· 10/12/2012, 1:10 p.m. Devoted foodies and restaurant newbies love Foobooz. Sign up now for our twice weekly newsletter. Grub Street’s Collin Keefe was at the new Underdogs location today where he snapped this shot and spotted a Geno’s employee ordering a dozen Underdogs hot dogs. Read More About: East Passyunk Hot-Dogs Italian Market Underdogs You Might Also Like Philly’s Most Exciting New Bars and Restaurants to Watch in 2026 Your Guide to Philly’s Best Greek Food A Festive Guide to Philly’s Most Charming Tea Rooms