Floyd Mayweather vs. Manny Pacquiao is the sort of fight that stimulates conversation from people who rarely speak of boxing and draws the eyes of those who almost never watch the sport. It is the crossover-iest (yes, it’s a word, no need to look it up) of crossover fights. So for those who aren’t hardcore boxing fans, don’t know much about the combatants, and/or don’t understand what makes this one of the two or three biggest boxing matches of the last 50 years, here is everything you need to know as fight night approaches, especially if you want to impress by dropping some knowledge at your fight night party.