Pulisic, 18, is the youngest American to win a title for a club in Europe's big five leagues. Jovan Kirovski was 21 when he came on as a sub for Dortmund in its 2-0 win over Brazil's Cruzeiro in the 1997 Intercontinental Cup.
The only other American to win a German championship was German-born Thomas Dooley, who won the German Cup in 1990 and Bundesliga in 1991 before he joined the U.S. national team in 1992.
Paul Caligiuri won the East German league and cup titles with Hansa Rostock in 1991, the last season before the adoption of a united German league system.
Tim Howard (Man. United, 2004)
FOOTBALL LEAGUE CUP
John Harkes (Sheffield Wed. 1991)
Kasey Keller (Leicester City, 1997)
Brad Friedel (Blackburn Rovers, 2002)
Thomas Dooley (Kaiserslautern, 1991)
Thomas Dooley (Kaiserslautern, 1990)
Christian Pulisic (Borussia Dortmund, 2017)
*Jovan Kirovski (Borussia Dortmund, 1997)
*Kirovski played for Borussia Dortmund during its 1996-97 UEFA Champions League campaign but did not play in the final.