"So folks, in my time off decided to have a fight with a chainsaw and lost," Donaldson said on Twitter on Monday alongside a photograph of his wound which needed stitches.
The 40-year-old Welshman plans to return to the Tour on Feb. 4 for the Dubai Desert Classic, when he will continue his bid to book a place in Europe's 12-man team for this year's Ryder Cup against the United States at Hazeltine, Minnesota.
Donaldson, a three-times European Tour winner, is currently 29th in the Cup standings.
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Australian Greg Norman, the former world number one and twice British Open champion, nearly lost a hand in 2014 after an accident sustained while cutting trees with a chainsaw.
(Reporting by Ed Osmond; editing by John Stonestreet)
