The biggest day in the NFL calendar is finally here – on Sunday the Los Angeles Rams and New England Patriots will go head to head in Super Bowl LIII (that’s 53 for all you non-Romans) at the beautifully funky Mercedes-Benz Stadium in Atlanta, Georgia. For devoted fans of the sport this is the night everyone’s been waiting for, but the Super Bowl is also a chance for those who aren’t sat in front of their TVs for seven-plus hours every Sunday evening to get involved. It’s an excuse to gorge on wings, chug a few beers and embrace your inner American. So for all of you who haven’t religiously kept up with the NFL this year, here’s your crash course on how we got here, everything you should be looking out for, and even a few fun facts and figures to impress your mates with at your Super Bowl party. How did they make it this far? Los Angeles Rams The Rams came into the season as one of the Super Bowl favourites thanks to their hot young coach and the wealth of talent they’ve been able to cram onto their roster in the past couple of years. Until winning…