Jack Kochanowicz made his MLB debut on July 11 but struggled initially, allowing 14 hits and 11 earned runs over his first two starts. After being demoted, he returned to the big leagues on August 11 and showcased significant improvement, posting a 2.78 ERA and 1.05 WHIP in 58.1 innings with eight quality starts in nine outings. Despite striking out only 25 batters in 65.1 innings overall, his late-season performance solidified his role as a promising contributor for the Angels.

Jack Kochanowicz finished the season strong, posting a 3.99 ERA over three consecutive seven-inning outings. As a 23-year-old, he showed promise despite struggling to miss bats, ranking last in baseball for whiff and strikeout percentage. However, he demonstrated control with a low walk rate of 3.8 percent and an impressive ground ball rate of 56.5 percent, making him one of the few pitchers on the Angels' staff worth monitoring moving forward.

Jack Kochanowicz, making his 11th career start, allowed three runs on six hits over seven innings. Despite his solid performance, the Angels finished the season with a franchise-record 99 losses, highlighting the team's struggles throughout the year.

Jack Kochanowicz dueled with Jonathan Cannon in a scoreless matchup, ultimately exiting after pitching well early in the game. He faced challenges as the Angels' lead dissolved late in the contest, allowing the Sox to come back and secure the win. His performance continued a frustrating trend for the Angels, who struggled despite having a slight advantage during the game.

Jack Kochanowicz delivered a 97 mph fastball that struck Austin Riley, leading to the Braves' third baseman's broken right hand. This injury has significant implications for Riley's ability to play in the playoffs, affecting the Braves' roster dynamics as they compete for a postseason spot.