FOUR shots is all that separates Marc Leishman from the top of the leaderboard at the Sony Open in Hawaii.
The 36-year-old fired an even-par round of 70 in the second round on Saturday to go with his two-under round of 68 from Friday.
The world No.28, who hit four birdies and four bogeys in his second round, is two-under the card heading into the third round of the tournament at Oahu's Waialae Country Club.
Leishman is in a tie for 24th with six other golfers after the opening 36 rounds. Australian Cameron Davis and American Brendan Steele share the lead at six under.
Davis and Steel both fired four-under rounds of 66 to jump into the lead at the halfway point. Fellow countrymen Cameron Smith is one shot back in a tie for third.
Leishman hit 13 of 18 greens in regulation during his second round.
Pre-tournament favourite American Justin Thomas is out of the Open after missing the second-round cut.
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