Grimsby Town pulled off a major upset, defeating Sheffield Wednesday 1-0 in the English Football League Cup on September 17, 2025. The match, a second-round tie kicking off at 02:45, was settled by a solitary goal from the League Two visitors against their Championship hosts. Grimsby Town defended resolutely throughout and took their chance when it came, shocking the home crowd at Hillsborough. This match result is a classic cup giant-killing, with the lower-league side showing tremendous spirit and organization to advance. For Sheffield Wednesday, it is a deeply disappointing early exit from a competition they would have targeted for a run. The EFL Cup is renowned for such surprises, and this tie will be remembered as a highlight of Grimsby Town's season. The Grimsby manager would have hailed his team's historic effort, while the Wednesday boss faced questions about his team's lack of penetration.