Sepp Straka rode a hot start to an eight-under-par 64 on Saturday to seize a four-shot lead over a trio of players heading into the final round of the US PGA Tour American Express tournament in La Quinta,

The PGA Tour has returned to the mainland U.S. this week, and once again three southern California courses are the scene for the American Express. The event is offering an $8.8 million purse, with $1.