Chicago White Sox Bilous signed with the White Sox and made his professional debut with the
Great Falls Voyagers of the
Rookie Advanced Pioneer League, going 0–4 with a 7.85 ERA over innings. In 2019, he played with the
Kannapolis Intimidators of the
Class A South Atlantic League where he pitched to a 6–10 record with a 3.70 ERA over 31 games (17 starts), striking out 113 batters over innings. He did not play a game in 2020 due to the cancellation of the minor league season caused by the
COVID-19 pandemic. Bilous began the 2021 season with the
Winston-Salem Dash of the
High-A East and was promoted to the
Birmingham Barons of the
Double-A South in late May. Over twenty starts between the two clubs, Bilous went 3–8 with a 5.76 ERA and 106 strikeouts over innings. On November 19, 2021, Chicago selected Bilous' contract and added him to their 40-man roster. He returned to the Barons to open the 2022 season. In early August, he was promoted to the
Charlotte Knights of the
Triple-A International League. Over 31 games (21 starts) between the two teams, he went 6–11 with a 6.30 ERA, 131 strikeouts, and 79 walks over innings. On February 3, 2023, Bilous was designated for assignment by Chicago following the acquisition of
Frank German.
Cleveland Guardians On February 9, 2023, Bilous was claimed off waivers by the
Cleveland Guardians. The Guardians designated Bilous for assignment on March 30. He cleared waivers and was sent outright to the Triple-A
Columbus Clippers on April 1.
Chicago Dogs On April 2, 2024, Bilous signed with the
Chicago Dogs of the
American Association of Professional Baseball. In eight games for Chicago, he logged a 5.33 ERA with 32 strikeouts across innings pitched. On June 16, Bilous was released by the Dogs. On April 16, 2025, Bilous signed with the
High Point Rockers of the
Atlantic League of Professional Baseball. However, he was released prior to the start of the season on April 23.
Tecolotes de los Dos Laredos On May 7, 2025, Bilous signed with the
Tecolotes de los Dos Laredos of the
Mexican League. He made one appearance for the team, allowing three runs on one hit and one walk, and failed to record an out. Bilous was released by the Tecolotes on May 12. ==References==