About Kelvin Herrera
Kelvin de Jesús Herrera Mercado (born December 31, 1989) is a Dominican former professional baseball pitcher. He played in Major League Baseball (MLB) for the Kansas City Royals from 2011 to 2018, Washington Nationals in 2018, and Chicago White Sox in 2019 and 2020. Herrera is a two-time MLB All-Star. Herrera was called up to MLB for the first time on September 21, 2011. On August 30, 2012, Herrera recorded his first career save, against Detroit.
Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.