Aston Villa have had a bid for defender Adam Webster rejected by Bristol City, Sky Sports News understands.
Villa's offer is believed to have been an initial £12m, but Bristol City do not want to lose last season's player of the year who they value higher than Villa's bid.
Dean Smith is looking to strengthen his squad after winning promotion back to the Premier League following a play-off win over Derby at Wembley.
Nine players have left the club, including Mile Jedinak, Alan Hutton and Micah Richards.
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