Dan Altavilla is an American professional baseball pitcher whose career spans Major League Baseball stints with the Seattle Mariners, San Diego Padres, Kansas City Royals, and Chicago White Sox, along with a current minor league deal in the Minnesota Twins organization. Drafted by Seattle in 2014 out of Mercyhurst University, he debuted in 2016 and has built his reputation as a hard-throwing right-handed reliever. This tag page collects news, game reports, transaction updates, injury coverage, and career milestones tied to Altavilla, including his 2021 Tommy John surgery recovery, his 2025 rebound with the White Sox, and his international appearances for the United States and Italy.