About Kenley Jansen
Kenley Geronimo Jansen (born September 30, 1987) is a Curaçaoan professional baseball pitcher for the Detroit Tigers of Major League Baseball (MLB). He has previously played in MLB for the Los Angeles Dodgers, Atlanta Braves, Boston Red Sox, and Los Angeles Angels. He has represented the Netherlands national baseball team in international competition. Signed by the Dodgers as an undrafted free agent in 2004, Jansen converted from a catcher to a relief pitcher in the minor leagues and made his major league debut in 2010. He served as the Dodgers' closer starting in 2012, and led the National League (NL) in saves in 2017 and 2022. After 11 years with the Dodgers, he entered free agency and signed a one-year deal with the Braves in 2022. He then signed with the Red Sox. Jansen is a four-time MLB All-Star and two-time NL Reliever of the Year (2016, 2017). In 2019, Jansen became the 30th pitcher to reach 300 career saves. In 2023, he became the seventh pitcher to total 400 career saves. He also is a member of 450-save club, having reached that on April 8, 2025. On July 25, Jansen recorded his first Major League save, when he pitched a 1-2-3 inning against the Mets.
Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.