Who is Grimsby Town? Fourth-tier Mariners knock out Manchester United from League Cup

Manchester United suffered a shocking defeat in the English League Cup, losing to fourth-tier Grimsby Town after a dramatic 12-11 penalty shootout. Grimsby, currently in EFL League Two, held the Premier League giants to a 2-2 draw, with late goals from Mbeumo and Maguire saving United from an earlier 2-0 deficit.