YEARENDER SPORT (FILES) In this file photo taken on September 8, 2020 Barcelona's Argentinian forward Lionel Messi arrives at the Joan Gamper Ciutat Esportiva in Sant Joan Despi near Barcelona for a training session. - Lionel Messi returned to Barcelona training for the first time yesterday since his failed attempt to leave the club this summer. Barca confirmed Messi has started by training alone, in line with La Liga protocol. (Photo by LLUIS GENE / AFP)