America's Salas produced an impressive six-under 65 during her third round to help her push up the leaderboard.
Meanwhile, Manawatu's Tim Wilkinson has fallen down the leaderboard at the PGA Tour's HP Byron Nelson Championship in Texas.
The left-hander fired a one-over 71 during his third round today and is in a tie for 38th at two-under for the week, eight shots back from leaders Louis Oosthuizen and Brendon Todd who are at 10-under.
On the second-tier Web.com Tour, Hamilton's Steven Alker is in a share of 34th at the BMW Charity Pro-Am in Greer, South Carolina at eight-under after he shot a four-under 68 during his third round today.
Alker is six strokes back from a trio of Americans who lead the tournament at 14-under.
On the OneAsia Tour, Mark Brown was the best of the Kiwis at one-under in a share of 22nd after three rounds of the SK Telecom Open in Korea.
Auckland's Ryan Fox was at even-par in a tie for 29th, while Michael Long had slipped to a tie for 47th at three-over for the week.
The fourth round began this morning (NZT).