Gustafson up 6 strokes at Ginn Tribute (AP)
Sophie Gustafson is not about to get complacent as she heads into the final round of the Ginn Tribute with a six-shot lead. Not after a surprising early eagle, a disappointing double bogey and watching Karrie Webb fall apart down the stretch in the third round Saturday. Gustafson shot a 67 to open up a big lead over Webb and LPGA Tour rookie Na-Yeon Choi, putting herself in position to win on tour…