The Arsenal striker suffered a broken ankle against Sporting CP in the Europa League last week.
Danny Welbeck has undergone a second "planned" surgery on his broken right ankle, however a timeline regarding his return for Arsenal remains uncertain.
The 27-year-old suffered the injury in the Europa League draw with Sporting CP, and went under the knife on Friday.
Manager Unai Emery confirmed after the 1-1 Premier League stalemate with Wolves that Welbeck had indeed suffered a break.
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Arsenal have now confirmed that the England forward has had a second procedure and that his rehabilitation will start immediately.