Sporting CP are preparing to cash in on Gelson Martins this summer.

O Jogo says England or Germany will be the most likely destination for the Portugal international - with Sporting anticipating a high priced auction.

Borussia Dortmund and Bayern Munich are in contact - along with Premier League giants Arsenal, Chelsea and Tottenham.

Sporting will fight to keep Gelson until after the World Cup concludes so to maximise his transfer value.

For now, intermediaries rate the winger at €30m - but that valuation could explode with an impressive run in Russia this summer.