“Germany and Argentina square off for the World Cup trophy in Brazilian soccer’s Mecca, Estádio​ do Maracanã, in Rio de Janeiro on Sunday. The game is littered with storylines, legacy implications and star power and promises to provide a thrilling ending to what has been a riveting World Cup. Our live chat for the spectacle will kick off at 2 p.m. ET, leading up to the 3 p.m. first kick (ABC/Univision). In the build-up until then, our Brian Straus, Jonathan Wilson, Liviu Bird, Adam Duerson and Tim Newcomb have compiled everything you need to know about the clash with a World Cup Final 101 crash course…” SI