Vladimir Guerrero Jr. (Toronto Blue Jays) 2020 MLB 6" Figure Imports Dragon. In 2019, Guerrero Jr. made his MLB debut at just 20 years old. The son of Hall of Famer Vladimir Guerrero Sr, he was the top-rated prospect when he made his debut and one of the most highly touted and anticipated prospects ever. He didn't disappoint. He became the youngest Blue Jay ever to hit a home run. Guerrero's four home runs in six games in May earned him the American League Player of the Week award, and made him the youngest Blue Jay to win the award. In the Home Run Derby at the All-Star break he broke the record for most home runs in a derby with 91.