Southampton defender Welington is set to miss 'months' of the season due to an ankle injury.
Saints boss Will Still is braced to be without the full-back for a significant period after he was withdrawn in the first half of their 2-1 Championship defeat to Stoke City.
"Wely's not great, he'll be out for a couple of months," Still said. "His ankle's not great.
"If there's an opportunity to [sign cover] I'm sure we will, but that goes for every position.
"Our squad is big enough and good enough to sort things out.