C.B. Bucknor is a professional baseball umpire known for his work in Major League Baseball (MLB). He has officiated in the league since 1996 and has been involved in numerous high-profile games, including playoff matches. Bucknor is recognized for his commitment to maintaining the integrity of the game and ensuring fair play. Throughout his career, Bucknor has faced both praise and criticism for his calls on the field. He has also been part of discussions regarding the role of umpires in modern baseball, especially with the introduction of technology like instant replay to assist in decision-making.