Reports from Spain this week suggested the 23-year-old was nearing a loan switch to the Britannia Stadium, having endured stints at Ajax and AC Milan in recent years.
But the Premier League outfit have announced for former Barca No.9 has instead signed a four-year contract with the Potters for an undisclosed fee, and will now join his new team-mates for their pre-season training camp in Germany.
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