Signed with the Yankees as an international amateur free agent out of the Dominican Republic on July 2, 2019... received $5.1 million to sign, which was all but $300,000 of the Yankees' $5.4 million bonus pool that year and represented a franchise record for an international amateur... was 16-years-old when he signed with the Yankees... previous record for Yankees international player was Dermis Garcia who received $3.2 million in 2014... contract also included $250,000 in potential scholarship money should Dominguez pursue further education... switch-hitter began the 2021 season ranked as the Yankees' No. 1 prospect and the No. 24 prospect in baseball according to MLB.com... became the youngest player to appear in an All-Star Futures Game in July 2021 since Vladimir Guerrero Jr., who was 18 years old in 2017... began his Minor League career with the Rookie-level FCL Yankees, going 4-for-20 in the Florida Complex League before getting promoted to Tampa on July 13 after an appearance at the Futures Game in Denver... posted a .407 on-base percentage with New York's FCL affiliate... went 0-for-3 in the 2021 Futures Game at Coors Field... nicknamed "El Marciano" or "The Martian"... trained with Ivan Noboa beginning at 2013 at Noboa's academy in the Dominican Republic... according to ESPN, Dominguez's father Felix, a Yankees fan, named his son in 2003 after former Yankees slugger Jason Giambi, who played for the Yankees from 2002-08 and posted consecutive 41-home run seasons in 2002 and 2003.