Fraser Forster is having a medical at Southampton after Celtic agreed to sell the goalkeeper for a fee of around £10m ($16.78m), according to Sky sources.
The 26-year-old has been one of Southampton’s primary transfer targets this summer as new manager Ronald Koeman rebuilds his squad after a raft of departures from St Mary’s.
Forster earned a place in England’s World Cup squad after impressing Roy Hodgson with a string of superb performances in the Champions League for Celtic.
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Capped twice by his country, Forster was the only player not to feature as England failed to progress beyond the group stage in Brazil.
In February this year Forster set a new Scottish league record for consecutive shut-outs, passing former Aberdeen goalkeeper Bobby Clark’s achievement from 1971, by going 13 matches and 1,256 minutes without losing a goal.
Celtic signed the 6ft 7in keeper on a four-year deal from Newcastle for £2m ($3.36m) in 2012, following two seasons on loan in Glasgow, and it is understood his former club will be due a percentage of any sell-on fee.