American rookie Ryggs Johnston fired a four-under-par 68 to reel in LIV Golf's Lucas Herbert for a share of the lead at the DP World Tour co-sanctioned Australian Open on Saturday. But Johnston, who came through the DP World Tour qualifying school this year,

Lucas Herbert has held his chasers at bay to retain the Australian Open lead after a wet and wild third round at Kingston Heath.

Lucas Herbert drained an eagle at the last in a flawless eight-under-par 63 Thursday to lead the Australian Open in Melbourne and upstage LIV Golf teammate Cameron Smith who trails by two.

Lucas Herbert clung to a share of the lead at his home Australian Open on Saturday as American rookie Ryggs Johnston made a charge in a waterlogged third round and favourite Cameron Smith crashed out of contention.