Everton were reported to be interested in Championship ace a month ago.
Everton are pushing ahead with their transfer business, with winger Richarlison close to tying up a move.
So who could follow the Brazilian in at Goodison Park?
Bookmakers SkyBet list Ben Gibson as most likely, with odds being reduced in recent weeks,
The centre-back spent last season in the Championship and is a key player for Boro.
They resisted strong interest in him a year ago and are close to getting to the end of the transfer window with the defender on their books.
Earlier this summer Everton stood at 6/1 for Gibson, with the odds since being cut down to 6/5.
The Toffees are also linked with signing Colombia centre-back Yerry Mina from Barcelona.
The odds are extremely slim, with Everton 13/8 on to sign the World Cup star.
Middlesbrough will be hoping that Barcelona do not stand in Everton’s way.
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