ESPN FC's Craig Burley and Dan Thomas discuss the possibility of Lionel Messi joining Pep Guardiola at Manchester City. Barcelona's Lionel Messi hails the impact of the legendary Johan Cruyff on Barcelona as a club. ESPN FC's Raphael Honigstein explains the latest rumour linking Lionel Messi to Manchester City. Lionel Messi has hailed former Barcelona boss Frank Rijkaard as the most important manager of his career, ahead of current Bayern Munich coach Pep Guardiola. Messi, who is with Argentina for their upcoming World Cup qualifier against Bolivia, got his professional start under the Dutchman, who led the Blaugrana to two La Liga titles and just the club's second Champions League crown during his five years in charge. Argentina Bolivia 11:30 PM UTC Game Details Live football odds with bet365.