Koepka warms up for PGA defence with LIV Singapore victory

SINGAPORE – Brooks Koepka fired a warning ahead of his PGA Championship defence in two weeks’ time by carding a three-under par 68 Sunday to win LIV Singapore by two strokes from Australian pair Cam Smith and Marc Leishman.The 34-year-old American, a five-time major winner, finished at 15-under par to become the first player to win four individual titles on the Saudi-backed breakaway circuit which is in its second full season.”I feel good. It’s a lot better than I did last week,” said Koepka, who has hit form at just the right time as he heads to Valhalla to defend the major he won a year…