Atletico's Alvarez will return after 'learning experience' - Simeone

Julian Alvarez trained with Atletico Madrid this week [Getty Images]Julian Alvarez will return to Atletico Madrid's squad for the La Liga game against Athletic Club after his failed attempt to leave acted as a "learning experience", says manager Diego Simeone.The 26-year-old striker missed two days of training last week, citing illness as the reason, after being told privately Atletico would not sell him to Barcelona.A potential move to Arsenal looked like the Argentina forward's only way out of