Recently targeted by both Manchester United and Real Madrid, as we explained before in detail (http://www.transfermarketweb.com/?action=read&idsel=179833), Portuguese Under-21 international winger/half-forward Gelson Martins (21), according to A Bola, has been offered by Sporting Lisbon a brand new contract, including a significant salary raise.
The 1995-born player is already on a deal with Leões until June 2021, and the usual €60/£52.5m release clause is set on his contract.
Source: transfermarketweb.com