Underdogs Is Now Open on 9th Street By Foobooz· 10/12/2012, 1:10 p.m. 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 The Best Bars in Philly to Watch the World Cup The Best Philly Sports Bars for Watching the Eagles The Ultimate Guide to Outdoor Dining in Philly