Xabi Alonso and Luis Garcia both completed their transfers to Liverpool on this day in 2004.
The Spanish duo joined compatriot Rafael Benitez as he began his Anfield revolution and would, of course, end their debut season as European champions.
On the anniversary of their arrival, how much can you remember about their respective spells with the Reds?
Take our 'Alonso or Garcia?' quiz below...
App users should tap here to take the quiz.