15. Bubba Watson, $44,116,732
Bubba Watson won three times in 2018 and added more than $5.7 million to his career earning totals during the 2017-18 season. He’s won two majors (2012 & 2014 Masters) and 12 PGA Tour events. Just as important, Watson and his wife have become strong advocates for adoption and are part of a foundation that helps with post-adoption costs.