Blake Treinen is an American professional baseball relief pitcher for the Los Angeles Dodgers, known for a heavy sinker that produces sharp downward movement and elite groundball rates. This news archive tag covers updates, interviews, and articles about his MLB career across the Washington Nationals, Oakland Athletics, and Los Angeles Dodgers, including his 2018 All-Star season, his 0.78 ERA and 38 saves that year, his high-leverage work as a closer and setup man, and his three World Series championships with the Dodgers in 2020, 2024, and 2025. Coverage also tracks injury updates, return timelines, postseason performance, contract signings, and late-inning role changes throughout his career.