Overview

• The League Two side won 12-11 in a 26-kick shootout after a 2-2 draw at Blundell Park, sealed when Bryan Mbeumo struck the crossbar.
• Grimsby led 2-0 at half through Charles Vernam and former United youth Tyrell Warren before Mbeumo scored and Harry Maguire equalized in the 89th minute.
• André Onana was culpable in the first-half goals, later saving once in the shootout in which both goalkeepers converted, but Christy Pym denied Matheus Cunha.
• Amorim said the performance was unacceptable, described his players as "completely lost" and issued a public apology as pressure intensifies after a winless start.
• Grimsby advance to face Sheffield Wednesday in the next round, with manager David Artell praising a "terrific night" for the club and community.