[1] He played college baseball at Oregon State University in Corvallis, but missed the 2010 season, recovering from Tommy John surgery.

[3] Osich did not sign and returned to Oregon State and in his final collegiate season in 2011, he threw a no-hitter against UCLA.

[5] Osich was called up to the majors for the first time on July 3, 2015, pitching one scoreless inning of relief against the Washington Nationals.

[6][7] On July 11, Osich earned his first major league win in his fifth relief appearance, pitching 1⁄3 of an inning against the Philadelphia Phillies.

[24] He made his debut for the Red Sox in the team's second game of the delayed-start 2020 season, pitching a scoreless inning in relief on July 25.

[26] With the 2020 Chicago Cubs, Osich appeared in 4 games, compiling a 0–0 record with 10.13 ERA and 4 strikeouts in 2.2 innings pitched.

[27] On September 30, Osich was designated for assignment by the Cubs shortly before their Wild Card matchup against the Miami Marlins.

On July 11, Osich recorded his only MLB save by pitching the final inning of a 3-1 Reds victory over the Brewers.