Fernando Tatis Jr. joined Eddie Mathews as the only 21-year-olds to reach 15 home runs in his team's first 42 games of the season. The remarkable young shortstop is tied with Mike Trout for the MLB lead in home runs and also leads the League with 43 runs scored and 39 RBI. Tatis Jr. has a stellar .311 batting average and .398 on-base percentage in what has been an incredible 2020 campaign.