West Ham United are now edging closer to signing Palmeiras forward Luis Guilherme, an 18-year-old who seemingly has the world at his feet. Guilherme was linked with Chelsea and Bayern Munich last year, but it now seems as if he could be one of the first signings of Julen Lopetegui’s new era in east London. The Times have recently reported as such, stating that Guilherme is in favour of moving to the Premier League, and is now available for less than his £47m release clause. With one year left on his deal at Palmeiras, West Ham are closing in on a £26m deal, which could include a 20 per cent se…