They weren't supposed to get this far. Now Ajax have a chance to make a European final for the first time since 1996 against Tottenham.
MORE BY EMMETT MCCONNELL
With the 2019 MLS season set to kick off this weekend, we take a closer look at the teams fighting it out in the Eastern Conference.
Many questions were asked about the Liverpool and Bayern Munich defenses ahead of their Champions League round of 16 draw, but neither attack broke through.
With the addition of Nani, Orlando City show ambition to win. But the league's second worst attack and worst defense can't be fixed by one former superstar.
Tottenham face a daunting run of matches over the next month. Mauricio Pochettino's disdain for domestic cups may be about to pay dividends.
He's played for Juventus, Real Madrid, Chelsea and soon Atletico Madrid. Despite playing for the world's top clubs, Alvaro Morata hasn't proven himself yet.
Will he have the so-called "Barca DNA", or will Kevin-Prince Boateng be another blemish on the Catalan giant's transfer history?
Tottenham's squad looks extremely thing, with an injury to Harry Kane and Heung-min Son on international duty. How will they cope?