FRISCO, TX: Philipp Haas (Truck Stop #8) went horizontal for the block, but failed to prevent Jay Clark (Chain Lightning #7) from scoring. Chain Lightning (Atlanta, GA) defeated Truck Stop (Washington, DC) 14-13 in the Men's Pre-Quarters at the USA Ultimate National Championships. Friday, October 17, 2013. © Brian Canniff for UltiPhotos.com.