[1] Brown played college baseball at NCAA Division II Wayne State University, located one mile from Comerica Park, and the only school at any level to offer him a scholarship.
He played for the Bethesda Big Train of the Cal Ripken Collegiate Baseball League, where he appeared in 13 games and pitched to an ERA of 1.26.
[5] While Justin Verlander was pitching for the Detroit Tigers, Brown grew up idolizing him and frequently attended games at Comerica Park.
[10] Brown was promoted to the Triple-A Sugar Land Skeeters in August 2021 after posting a 1–4 record with a 4.20 ERA and 76 strikeouts in 49+1⁄3 innings pitched with the Hooks.
[13] On May 31, he was named Pacific Coast League (PCL) Pitcher of the Week after a scoreless 7-inning outing with 10 strikeouts versus the El Paso Chihuahuas.
Brown retired the first eight batters faced,[20] including striking out the first two of the game, Marcus Semien and Corey Seager, for his first two career strikeouts.
[22] In his second start of the season, Brown made his road debut as a homecoming in Detroit with friends and family in attendance, leading a 6–3 defeat of the Tigers.
[23] On September 19, Brown made his relief debut, hurling three innings in a 4–0 shutout of the Tampa Bay Rays to clinch a fifth American League West division title for the Astros over the previous six seasons.
Brown's last appearance of the postseason came in Game 3 of the American League Championship Series against the New York Yankees, throwing 2⁄3 of an inning to help close out a 5–0 win.