Masters runner-up Adam Scott was a shot back on two-under 142 after following up his 68 with a 74 to be tied with Americans Cameron Tringale (71), Matt Every (69) and Dean Wilson (72).

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Sweden's Richard S Johnson and Americans Brett Quigley and Scott Verplank are a shot further back at four-under 140.

BBC: SECOND-ROUND LEADERBOARD

Moments later, Celtic striker Scott McDonald found space on the left and cut the ball back for Scott Brown, whose left-foot shot hit the post on its way out.

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