Celtic are said to have reiterated their asking price for Matt O'Riley to Atalanta with reports suggesting that a fifth offer has been knocked back.
The Serie A side have been desperately pursuing a deal for the 23-year-old throughout the summer but have seen a series of bids kicked out by the Scottish Premiership side with interest in the Danish international ramping up across Europe.
Brighton, Chelsea, Bournemouth and Southampton are among the English Premier League sides showing interest while Atletico Madrid and Inter are also in the running.
Boss Brendan Rodgers has insisted that Celtic are under no pressure to sell - and the club have doubled down on that message by turfing out another offer from the Serie A side on Monday.
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