Ketel Marte was arguably the biggest breakout star of the 2019 season, coming out of nowhere to emerge as a National League MVP candidate for the Arizona Diamondbacks.
There were warning signs of what was to come, though.
While he posted a forgettable 102 OPS+ during the 2018 campaign, he closed the season on fire, hitting .301/.373/.562 with nine extra-base hits in 84 plate appearances in September.
That proved to be a springboard to a monster season in which he posted a 149 OPS+ with 36 doubles, nine triples and 32 home runs with 6.