Naby Keita will not return to Werder Bremen team training and can leave the Bundesliga club just one year after his surprise arrival from Liverpool. Bremen said that Keita would be training individually having returned from the Paris Olympics tournament after Guinea’s group stage exit. “As his sporting situation has not changed, he would like to look for a new challenge. Together with his advisor, we want to realise this as soon as possible,” Bremen sporting director Clemens Fritz said. Keita rarely played at Bremen due to injuries and he was suspended for the rest of the season in April after…