Northampton Town knocked out West Brom on penalties and Gillingham won at Watford in the League Cup second round on Tuesday.
Premier League sides Watford and West Brom crashed out of the League Cup after suffering disappointing defeats to lower-league opposition on Tuesday.
League One side Gillingham pulled off an upset 2-1 victory at Watford, with Bradley Dack scoring an injury-time winner at Vicarage Road to send his team into the third round.
Zander Diamond gave Northampton Town of League One the lead at home to West Brom, but James McClean and Gareth McAuley seemed to have put the Premier League side in control of the tie.