Getty Images SportHarry SherlockRevealed: Why Lionel Messi missed Inter Miami training amid concerns of injury setbackL. MessiInter Miami CFMajor League SoccerLionel Messi's absence from Inter Miami training has been explained amid fears of a further injury setback.Article continues belowArticle continues belowArticle continues belowArticle continues belowInter Miami play Philadelphia Union this weekendFans hoping Messi makes returnArgentine was not on the grass on Wednesday