There have been at least one Inter Milan and Bayern Munich player in the FIFA World Cup since 1982. In the 1982 edition, there were three Bayern Munich players and four Inter Milan players. On Sunday in the blockbuster final, three Bayern players and one inter player participated.
1982 World Cup Final:
Italy 3 – Germany 1
Bayern Munich
Paul Breitner, Wolfgang Dremmier, and Karl-Heinz Rummenigge
Inter Milan
Gianpiero Marini, Ivan Bordon, Gabrielle Orialli, and Alessandro Altobelli
1986 World Cup final:
Argentina 3- Germany 2
Bayern
Norbert Eder, Lothar Matthäusm Klaus Augenthaler, and Dieter Hoeness
Inter
Karl Heinz Rummenige.
1990 World Cup
Germany 1 – Argentina 0
Bayern
Stefan Reuter, Jürgen Kohler, Klaus Augenthaler, Raimond Aumann, Hans Pflüger, and Olaf Thon
Inter
Lothar Matthäus, Andreas Brehme, and Jürgen Klinsmann
1994 World Cup
Brazil 0 (3) – Italy 0 (2)
Bayern
Jorginho
Inter
Nicola Berti.
1998 World Cup
Brazil 0 – France 3
Bayern Munich
Bixente Lizarazu
Inter Milan
Ronaldo Nazario de Lima and Youri Djorkaeff
World Cup 2002
Germany 0 – Brazil 2
Bayern Munich
Oliver Kahn, Thomas Linke, Carsten Jancker, and Jens Jeremy
Inter
Ronaldo Nazario
World Cup 2006
Italy 1 (5) – France 1 (3)
Bayern
Willy Sagnol
Inter
Marco Materazzi
World Cup 2010
Netherlands 0 – Spain 1
Bayern
Mark Van Bommel and Arjen Robben
Inter
Wesley Sneijder
2014 World Cup
Germany 1 – Argentina 0
Bayern
Manuel Neuer, Bastian Schweinsteiger, Thomas Müller, Philipp Lahm, Toni Kroos, Mario Götze, and Jerome Boateng
Inter
Hugo Campagnaro, Rodrigo Palacio, and Ricky Álvarez.
2018 World Cup
France 4 – Croatia 2
Bayern
Corentin Tolisso
Inter
Ivan Perišić and Marcelo Brozovic
2022 World Cup
Bayern
Dayot Upamecano, Kingsley Coman and Benjamin Pavard.
Inter
Lautero Martinez.