Several players from the Pittsburgh Pirates were moved during Major League Baseball's trade deadline on July 31. Numerous players, including one of the team's most popular players, were traded away in a hectic day.

The Pittsburgh Pirates announced four roster moves to fill the vacancies created by the trades of the past two days. From Triple-A Indianapolis come right-handed pitchers Tom Harrington and Kyle Nicolas and infielder Jared Triolo.

Right-handed starting pitcher Mitch Keller is still with the Pirates following the trade deadline on July 31 and will remain with them the rest of the 2025 season. Keller was one of the top starting pitcher talents that teams were targeting in a trade, but no one landed a deal for him.