It was thanks to a weak American League that there were 3 AL teams hitting 100+ wins in 2018 and the second Wild Card team had 97.
The Atlanta Braves with 90 wins actually appeared to be the weakest of the 10 playoff teams going into the post-season.
Astros, Braves, Indians, Brewers, teams on the cusp, but with limited resources As, Twins, Pirates, Rays Teams with limited resources that are trying to figure out how to compete
