[1] He made his professional debut in 2018 with the Dominican Summer League Astros, posting a 1.74 ERA with 42 strikeouts over 14 appearances.

[5] Bellozo returned to action in 2022, making 10 appearances (5 starts) for the Single–A Fayetteville Woodpeckers and recording a 1.73 ERA with 43 strikeouts.

In 26 total games (16 starts), he compiled a cumulative 5.55 ERA with 106 strikeouts and 4 saves across 110+1⁄3 innings of work.

[8][9] He split time between the Double–A Pensacola Blue Wahoos and Triple–A Jacksonville Jumbo Shrimp prior to his promotion.

[11] In his MLB debut that day against the Kansas City Royals, Bellozo tossed five scoreless innings, allowing two hits and striking out two.