Ajax Amsterdam's poor season went from bad to worse after they suffered one of the biggest shocks in their history with a 3-2 loss to fourth-tier amateur side USV Hercules in the last 32 of the Dutch Cup on Thursday.
Fabio Silva struck the winning penalty as PSV Eindhoven defended their Dutch Cup title with a 3-2 shootout victory against Ajax Amsterdam.
Dutch Cup semifinal between Feyenoord and Ajax was suspended for 28 minutes after an object thrown from the crowd hit the head of Davy Klaassen.
American forward Ricardo Pepi got his fifth goal in six games for Groningen, scoring in a 3-0 win at Dordrecht in the first round of the Dutch Cup.
PSV Eindhoven scored two goals in as many minutes early in the second half to overturn a half-time deficit and win the Dutch Cup with a 2-1 victory.
David Neres scored in injury time to hand Ajax a thrilling 2-1 victory over Vitesse as they claimed a record-extending 20th Dutch Cup title.
Striker Klaas Jan Huntelaar scored twice as Ajax lifted the KNVB Cup with an emphatic 4-0 win over Willem II to keep their Treble hopes alive.
The Dutch Cup featured an extraordinary turn of events when two sides were forced to replay a penalty shootout three weeks after the original match.
Vitesse Arnhem collected a major trophy for the first time in their 125-year existence by beating AZ Alkmaar in the Dutch Cup final on Sunday.
American defender Matt Miazga put Vitesse Arnhem ahead early in the first half of a 4-0 win over fifth-tier Jodan Boys in the Dutch Cup.
Dutch football authorities want video replay officials in next season's Dutch Cup competition.
Feyenoord won their first piece of silverware since 2008 after defeating FC Utrecht 2-1 in the KNVB-Beker final at De Kuip on Sunday.
The Dutch FA (KNVB) is still hoping to lead the way in the use of video technology by training referees for its use from next month.