Getty Toronto Blue Jays first baseman Vladimir Guerrero Jr. has been anointed as MLB's next superstar, per a notable insider. Toronto Blue Jays ’ first baseman Vladimir Guerrero Jr. has been anointed as MLB’s next superstar. According to insider John Morosi, the Jays’ slugger could join other elites in the highest echelons of the game. Morosi’s rationale stems from “Vladdy’s” performance in last fall’s postseason and this year’s World Baseball Classic. His clutch performances and leadership