Complex sentence: In 2005, the Montreal Gazette's Stephanie Myles reported that Robinson had devoted much time playing golf during his years in Montreal, sometimes spending 16-hour days between the course and the games at night.
Split into simpler sentences: In 2005, the Montreal Gazette's Stephanie Myles reported that he had spent much time playing golf during his years in Montreal. He sometimes spent 16 hour days between the course and the games at night.