2020由于疫情的因素，大联盟在2020.3.12宣布停止春训，直到同年7.23才开始该年赛季，
而比赛数也随之缩水成60场
https://i.imgur.com/2srOBJF.jpg
Four years ago, MLB canceled all spring training games. The next day, all spring
training camps would be suspended, then Opening Day wouldn’t come until July 2
3rd for the start of the shortened 60-game
https://www.facebook.com/share/LwXMe69E93ovVTdA/?mibextid=xfxF2i
season.