Didi Gregorius had a 1.161 OPS in the month of April, with 10 home runs and 30 RBIs. In May, he has seven hits, and none of them are home runs.
The New York Mets started the season 11-1 and looked every bit the kind of team that could dominate the NL East in 2018. They are 13-18 since, third in the division behind the upstart Braves and Phillies.
As little as two weeks ago, the story in the NL West was that the Los Angeles Dodgers were toast and the Arizona Diamondbacks would run away with the division.