#3 PSV Eindhoven (1987/1988)
The next club after Ajax to win a treble were another Dutch side - PSV Eindhoven, who achieved what their Eredivisie rivals did 16 years earlier.
Coached by the legendary Guus Hiddink and with iconic players like Ronald Koeman and Edward Linskens, PSV overcame all obstacles before them to triumph on all fronts.
The Eredivisie was won with a nine-point gap, with PSV scoring a massive 117 goals in the process. The Dutch giants defeated Roda JC 3-2 in the final of the KNVB Beker to win the Cup for the fourth time.
In the European Cup, PSV saw off Galatasaray, Rapid Vienna, Bordeaux and Real Madrid to set up a final showdown with Benfica in Stuttgart.
Both teams could not be separated after 120 minutes as the match was tied in a goalless draw, with the lotteries of penalties being used to determine the winner.
The Dutch side triumphed 6-5 in the shootout, with Anton Janssen scoring the winning spot-kick to hand PSV their only European Cup victory till date.