Getty Images SportHarry SherlockErik ten Hag hails Alejandro Garnacho for 'downsizing' Southampton as substitute helps fire Man Utd to much-needed winManchester UnitedA. GarnachoE. ten HagSouthampton vs Manchester UnitedSouthamptonPremier LeagueErik ten Hag has hailed Alejandro Garnacho after his electric cameo performance for Manchester United against Southampton. Article continues belowArticle continues belowArticle continues belowGarnacho scored third goal in 3-0 winFouled by Jack Stephens, who was sent offTen Hag delighted with Argentine's impactArticle continues below