Everton boss Martinez fancies Sunderland Bosman prospect Colback
Colback's current deal expires in June.
Everton boss Roberto Martinez is a big admirer of the versatile academy product, who is comfortable both at left-back as well as in central midfield, says the Evening Chronicle.
With the Toffeemen bracing themselves for another attempt from their former boss David Moyes to lure England left-back Leighton Baines to Manchester United, a move for Colback would make sense for the Merseysiders.
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