It’s now 2019 and the opening stages of the 2019 Copa Libertadores start in three weeks, but let’s take a look back at the 2018 competition, which didn’t end that long ago. It started with 47 teams, developed into a two-country race, and ended in a mouthwatering and compelling but ultimately depressing and farcical Superclásico final. What a way to end the era of two-legged finals and, effectively, start the new era of neutral-site finals. The Cup gets older The…