Complex sentence: In 2016, Jason Day again led with − 9, achieved despite not winning any of the major tournaments during the year, and in 2017 Brooks Koepka topped the list with a cumulative scored of -21, one shot better than both Matt Kuchar and Hideki Matsuyama.
Split into simpler sentences: In 2016, Jason Day again led with − 9, achieved despite not winning any of the major tournaments during the year. In 2017, Brooks Koepka topped the list with a cumulative scored of − 21, one shot better than Matt Kuchar and Hideki Matsuyama.