After one year at Georgetown, Bloss was selected by the Houston Astros in the third round of the 2023 Major League Baseball draft.
[2] Bloss spent his first professional season with the Florida Complex League Astros and Fayetteville Woodpeckers, accumulating a 2.89 ERA in 7 games.
[3] On June 20, 2024, the Astros announced that they would be promoting Bloss to the majors for the first time to make his MLB debut the next day.
[6] In his debut against the Baltimore Orioles, Bloss allowed two runs on six hits with two strikeouts across 3+2⁄3 innings.
[7] On July 29, 2024, Bloss, Joey Loperfido, and Will Wagner were traded to the Toronto Blue Jays in exchange for pitcher Yusei Kikuchi.