Article snapshot taken from Wikipedia with creative commons attribution-sharealike license.
Give it a read and then ask your questions in the chat.
We can research this topic together.
The 1997-98 KNVB Cup (at the time called Amstel Cup) was the 80th edition of the Dutch national football annual knockout tournament for the KNVB Cup. 60 teams contested, beginning on 12 August 1997. The final was played on 17 May 1998.
Ajax beat PSV 5–0 and won the cup for the thirteenth time.
Teams
All 18 participants of the 1997–98 Eredivisie, six of which entering in the knock-out stage
The matches of the first round were played on November 18 and 19, 1997. The six highest Eredivisie teams from last season entered the tournament this round.
Since finalists Ajax and PSV already qualified for the Champions League, this match for the third place was played on May 14 to determine the Dutch participant for the last edition of the Cup Winners' Cup.
Ajax also won the Dutch Eredivisie championship, thereby taking the double. They would participate in the Champions League. PSV ended second in the Eredivisie, and qualified for the Champions League as well.