Complex sentence: Hoye has been a professional umpire for a total of 15 years, and had previously worked in the New York-Penn League, South Atlantic League, Florida State League, Eastern League and International League before reaching the MLB.
Split into simpler sentences: Hoye has been a professional umpire for a total of 15 years. He has worked in the New York-Penn League, South Atlantic League, Florida State League, Eastern League and International League before reaching the MLB.