WBSC05/09
156 km/h (96 mph): USA's Alejandro Rosario throws fastest pitch of U-18 Baseball World Cup Opening Round
The right-hander from Miami (Florida) Christian High School is the 18th-ranked prep player in the United States, according to trade publication Baseball America, and is committed to play at the University of Miami, if he doesn't sign with a Major League Baseball team following the June 2020 draft.