Chelsea have approached Crystal Palace about signing Michael Olise this summer. The Blues hold a long-term interest in the winger and are aware that other Premier League clubs are interested. Olise’s current contract at Selhurst Park runs until 2027, as he only just signed a new four-year contract last summer. The contract is believed to have a release clause of £60 million. The 22-year-old joined Palace in 2021 from Reading and has scored 16 goals and produced 25 assists in all competitions. Olise scored 10 goals in 19 appearances last season, his best return despite missing 18 games due to i…