Manchester United and Arsenal fight over France's Manu Kone, Nico Williams could be heading to the Premier League champions, and West Ham reject latest Crysencio Summerville offer. Manchester United lead the chase for Roma and France midfielder Manu Kone, 25, but face competition for his signature from Arsenal. (L'Equipe - in French), externalThe Gunners have also revived their interest in Athletic Club winger Nico Williams, who was part of Spain's World Cup-winning squad, with the 23-year-old believed to have a £77m release clause. (Teamtalk), externalWest Ham have rejected a second offer from Roma for Dutch forward Crysencio Summerville and the Italian club, whose first bid was 46m euros (£39m), are working on a final proposal for the 24-year-old. (Mundo Deportivo - in Spanish), externalIpswich Town have agreed a deal to sign 29-year-old Morocco centre-back Issa Diop from Fulham for about 10m euros (£8.5m).