Juan Soto, who turned 23 a few weeks after the completion of his fourth big league season, finished the 2021 campaign ranked first in the National League in on-base percentage, with a .465 OBP, first in walks (145), first in OBP with RISP (.577) and in AVG w/ RISP (.396), and he was ranked second in average (.313 AVG), in OPS (.999), in wOBA (.420), in wRC+ (163), and in runs scored (111), while finishing 3rd in fWAR (6.6), and in SLG w/ RISP (.689).
That was good enough to make Soto a finalist for the 2021 NL MVP.