KANSAS CITY, June 20 : England winger Bukayo Saka missed training on Friday ahead of his side's World Cup game against Ghana, with the Football Association saying he was following his own programme as he continues to manage an Achilles injury. Saka has been battling the problem since March and England coach Thomas Tuchel has repeatedly stressed the need to carefully manage the 24-year-old's workload during the tournament. The winger was not involved in the session at England's Kansas City base