Man Utd goal chalked off against Brighton for offsideGetty Images

VIDEO: Alejandro Garnacho absolutely robbed! Sliding Joshua Zirkzee stops Man Utd winger scoring certain goal as freak incident saves Brighton

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  • Brighton take on Man Utd in Premier League
  • Garnacho thought he put his side 2-1 up
  • Goal disallowed as team-mate Zirkzee was offside