A superb team performance saw Sheffield United defeat Arsenal 1-0 at Bramall Lane as the Gunners were left to rue a number of controversial decisions by the officials.
The visitors could not hide their fury when no penalty was forthcoming after Sokratis had been wrestled to the floor at a corner, with VAR ultimately deciding not to overturn the decision for John Egan's challenge on the Greek centre-back.
Arsenal frustration continued to grow as £72m winger Nicolas Pepe failed to make any meaningful contact from six yards out, having been found by a devilish cross from Bukayo Saka.