Arsenal keen to sign Athletic Club winger Nico Williams, Juventus open talks with Aston Villa over deal for keeper Emiliano Martinez, while Paris St-Germain target Bayern Munich’s Michael 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. (Teamtalk), external

Juventus are in talks with Aston Villa to sign their Argentina goalkeeper Emiliano Martinez, 33, who has already agreed personal terms. (Corriere dello Sport – in Italian), external

Paris St-Germain will to try to sign Bayern Munich’s 24-year-old French forward Michael Olise this summer. (L’Equipe – in French), external

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 (Sky Sports), external

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. (Caughtoffside), external

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. (Fichajes – in Spanish), external

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

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. (Fichajes – in Spanish), external

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. (Mirror), external

Crystal Palace are preparing to rival Everton for Middlesbrough’s English midfielder Hayden Hackney, 23, this summer with a £20m offer. (Mail), external