We examine which players have made the most combined appearances for Bayern Munich and Borussia Dortmund this century.
Originally coming through the Bayern Munich youth system, Mats Hummels only made one senior appearance for the Bavarians before making his name at rivals Borussia Dortmund.
The ball-playing defender enjoyed a hugely successful seven-year stay at Dortmund between 2009 and 2016, winning two Bundesliga titles and two DFB-Pokal trophies.
Hummels' success saw Bayern make a move to bring the defender back to Munich in the summer of 2016, with the ex-Germany international going on to accrue seven trophies with the club across three years.
In June 2019, Hummels elected to go back to Dortmund, spending five years with BVB before signing for Serie A outfit Roma as a free agent.
One of the finest strikers of his generation, Robert Lewandowski was unearthed by Borussia Dortmund from Lech Poznan in 2010.
The Polish icon was a huge hit in Dortmund, firing the club to back-to-back Bundesliga titles in 2011 and 2012 before making the move to Bayern Munich on a free contract in the summer of 2014.
Lewandowski's goals would not slow down in Bavaria, amassing a staggering 19 trophies with the German giants over an eight year period.
One of the most technically gifted footballers to have emerged in Germany this century, Mario Gotze was a product of Borussia Dortmund's youth academy.
An attacking midfielder with terrific close control and outstanding vision, Gotze was a member of the Dortmund side which won back-to-back Bundesliga titles in 2011 and 2012 under the management of Jurgen Klopp.
Gotze was another Dortmund star to make the controversial switch to Bayern on a free contract in 2013, with the ex-Germany international winning seven trophies with the Bavarians before making a return to BVB in 2016.
A versatile Portugal international who can operate superbly at both left-back and in midfield, Raphael Guerreiro began his association with the Bundesliga in 2016 when swapping Lorient for Borussia Dortmund.
Guerreiro was a consistent performer at Dortmund between 2016 and 2023 - winning the DFB-Pokal on two occasions in 2017 and 2021 - before signing for Bayern Munich as a free agent in 2023.
Making his name as a professional at Hoffenheim, Niklas Sule made the step up to Bayern Munich in 2017.
The Germany international won 14 trophies at Bayern between 2017 and 2022 before making the switch to Borussia Dortmund.
The towering defender was a member of the Dortmund squad which reached the UEFA Champions League final in 2024 before being downed by Real Madrid at Wembley.
Snapped up by Bayern Munich from Eintracht Frankfurt's youth academy, Emre Can made only four senior appearances for the Bavarians before moving on with Bayer Leverkusen in 2013.
The versatile midfielder's promise was enough to tempt Liverpool into making a move for the German in 2014, with Can spending four years in the Premier League at Anfield.
Naturally a central midfielder but also capable of operating as a defender, Can made his return to the Bundesliga with Dortmund in 2020 and has been an important player for BVB ever since.
Born in West Berlin but representing Croatia at international level, central defender Robert Kovac played for Hertha Zehlendorf, FC Nurnberg and Bayer Leverkusen in the Bundesliga before landing a move to Bayern Munich in 2001.
Kovac won two Bundesliga titles and two DFB-Pokal trophies with Bayern before making the switch to Italian giants Juventus in 2005.
The former Croatia international made his Bundesliga return with Borussia Dortmund in 2007, spending only one season at BVB before sampling the Croatian domestic league with Dinamo Zagreb.
A standout Bundesliga performer at RB Leipzig, Bayern Munich were tempted into signing Austria international Marcel Sabitzer in 2021.
After struggling for consistent starts at the Bavarian giants, Sabitzer was loaned out to Manchester United in 2023 before making his return to German football with Borussia Dortmund in 2023.
An attacking midfielder with a penchant for long-range shots, Sabitzer was a key member of the Dortmund side which reached the UEFA Champions League final in 2024 before losing to Carlo Ancelotti's Real Madrid.
An all-action central midfielder, Torsten Frings built up his reputation as a Bundesliga player with Werder Bremen before landing a move to Borussia Dortmund in 2002.
A former Germany internationalist, Frings spent two years at Dortmund before signing for Bayern Munich, but the midfielder only spent one season in Bavaria before returning to Werder Bremen.
One of the most distinguished Croatian footballers of all time, Ivan Perisic first arrived in the Bundesliga with Borussia Dortmund after signing from Club Brugge in 2011.
Winning the Bundesliga with Dortmund in 2012, Perisic left BVB for Wolfsburg in 2013 before finding a home at Inter, where he spent seven years between 2015 and 2022.
During his time at Inter, Perisic enjoyed a hugely successful loan spell with Bayern Munich in the 2019/20 season - winning the Treble of the Bundesliga, DFB-Pokal and UEFA Champions League.
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