Football Transfer Rumours: Arsenal Eye Nico Williams, Juventus Target Martinez, PSG Pursue Olise

Arsenal remain firmly in the hunt to sign Athletic Club and Spain winger Nico Williams, with Liverpool, Manchester City and Manchester United also interested in the 23-year-old.

Juventus are in talks with Aston Villa to sign their Argentina goalkeeper Emiliano Martinez, 33, who has already agreed personal terms.

Paris St-Germain will to try to sign Bayern Munich's 24-year-old French forward Michael Olise this summer.

Manchester United are monitoring Everton's 26-year-old Senegal forward Iliman Ndiaye as they look to bolster their squad for a Champions League return next season.

Liverpool are prepared to let Italy forward Federico Chiesa, 28, leave this summer for around £17m, with the player keen on a move back to Serie A.

Barcelona are aware of interest from Chelsea and Arsenal in Spain winger Dani Olmo, but will only allow the 28-year-old to leave if their £60m valuation is met.

France forward Mathys Tel, 21, could make a shock switch from Tottenham to Bournemouth this summer.

Barcelona intend to sell Spain midfielder Marc Casado to raise money for other signings, with Bayer Leverkusen and Premier League clubs tracking the 22-year-old.

Leeds United want to break their transfer record to sign Ivory Coast defender Ousmane Diomande from Sporting, with an offer of up to £35m and another £8m in add-ons.