John Hiller is a former professional baseball pitcher who played in Major League Baseball (MLB) primarily for the Detroit Tigers. He was born on January 8, 1945, in Detroit, Michigan. Hiller made his MLB debut in 1965 and became known for his effective pitching style, particularly as a relief pitcher. During his career, Hiller was recognized for his contributions to the game, including being named an All-Star in 1972. He played a significant role in the Tigers' success during the 1970s and is remembered for his resilience and determination on the mound.