Si Woo Kim tops crowded American Express leaderboard after 54 holes
South Korea's Si Woo Kim shot 6-under par 66 and he claimed a one-shot lead through the third round of The American Express on Saturday at La Quinta,South Korea's Si Woo Kim shot 6-under par 66 and he claimed a one-shot lead through the third round of The American Express on Saturday at La Quinta,