Little over a year after making his professional debut, USA international Weston McKennie became the seventh Bundesliga-based American to play in the UEFA Champions League when Schalke welcomed Porto to the Veltins-Arena on Tuesday.
bundesliga.com takes a look at the star-spangled sextet the 20-year-old will be joining in the history books...
Club: Borussia Dortmund
UEFA Champions League appearances: 15
Christian Pulisic had already become the second youngest non-German to score in the Bundesliga, and the youngest ever player to register two goals in one Bundesliga game, when the Borussia Dortmund megastar masterminded Benfica's downfall in a Champions League round of 16 meeting on 8 March 2017.
The Hershey sensation scored one and laid on another against the Portuguese powerhouse, a feat that took him into the annals as the youngest American to register a goal and assist in a single Champions League match and propelled BVB into the quarter-finals. Clocking in at 18 years, five months and 18 days, it was his eighth of 15 Champions League outings before the age of 20.