For Alpha Troop could have simply evacuated their comrades and left that enemy bunker for another day -- to ambush another American unit.

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The Scot rounded off a memorable day by holing a 40-yard bunker shot for eagle at the final hole to finish on 21-under par and move a step closer to a first European Tour win since 2004.

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His tee shot on the 17th left him out of position and after finding a greenside bunker he dropped his first shot of the day.

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