Donald and Grace set pace at Harbour Town, Day one back (Reuters)

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Apr 14, 2016; Hilton Head, SC, USA; Luke Donald hits his tee shot on the 18th hole during the first round …(Reuters) - Former world number one Luke Donald, who considered quitting professional golf last May after a form slump, gave himself a welcome boost by charging into a tie for the first-round lead at the RBC Heritage in South Carolina on Thursday.

Englishman Donald, whose most recent tournament victory came at the 2013 Dunlop Phoenix in Japan, birdied three of his last eight holes to fire a five-under-par 66 at the picturesque Harbour Town course on Hilton Head Island.

Donald racked up six birdies and a lone bogey in cool, blustery conditions to end the day level with South…