Golf: Brooks Koepka holds the 4-shot lead after 3rd round of the PGA Tour’s CJ Cup

Brooks Koepka fired a five-under 67 to lead by four shots after third round. Koepka shot total 21-under 267 going to the final round on top. Overnight leader Scott Piercy struggled to finish the third round tied 5th. Former world number one Jason Day shot a seven-under 65 to came joint tenth.