[1] In his senior year, he won the Carl Yastrzemski Award, given to the best high school baseball player in Suffolk County.
[11] In 2018, Fanti made 6 starts for the High-A Clearwater Threshers, posting a 3-3 record and 7.22 ERA with 18 strikeouts in 28.2 innings pitched.
Fanti signed with the Sydney Blue Sox of the Australian Baseball League for the 2018/19 season.
He did not play in a game in 2020 due to the cancellation of the minor league season because of the COVID-19 pandemic.
[15] On June 21, 2024, Fanti signed with the Long Island Ducks of the Atlantic League of Professional Baseball.