Brad Keller is an American professional baseball pitcher currently with the Philadelphia Phillies, having previously played for the Kansas City Royals, Chicago White Sox, Boston Red Sox, and Chicago Cubs. This tag page collects news, articles, interviews, and updates covering his MLB career since his 2018 debut, including his transition from starting pitcher to reliever, his 2025 bounce-back season with the Cubs, his December 2025 signing with Philadelphia, and his 2026 World Baseball Classic appearance with the United States. The tag is relevant for tracking pitching performance, roster moves, contract news, and milestone coverage across his major league journey.