Brooks Koepka Wins CJ Cup, Becomes World Number OneKoepka eagled 18 for an eight-under 64 and his fifth PGA Tour win. He also moves to world number one with the victory.Associated Press|Brooks Koepka Wins CJ Cup, Becomes World Number OneShare on FacebookShare on XAdd us on Published Oct 21, 2018ASSOCIATED PRESSShare on FacebookShare on X