Everton boss Martinez in dark over Arsenal, Chelsea rumours for Stones
Martinez insisted he did not know about the interest in Stones, who was a £3million buy from Barnsley in January 2013 and is being tipped as an outsider for England's World Cup squad after a series of increasingly impressive displays this season.
"No, I haven't heard about (that)," said Martinez. 'We won't send players on loan either.
"It's a good sign. It's not bad for a young man who's just beginning his career."
He added: "Stones has been phenomenal."
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