The former Barcelona man latched on to a ball that was punched clear by Daniel Subasic and hit a perfectly-struck volley from just outside the penalty area to give Juve a 2-0 lead in Tuesday's match (4-0 on aggregate).
Juventus Stadium erupted at the audacious strike, as did social media.
DANI ALVES!! WHAT.A.HIT— The F2 (@TheF2) May 9, 2017
Can you retweet your own tweet? Because, damn...bravo, Dani Alves.— Becky Sauerbrunn (@beckysauerbrunn) May 9, 2017
OH MY F*CKING GOD DANI ALVES YOU ARE HAVING A LAUGH.— Footy Accumulators (@FootyAccums) May 9, 2017
Dani Alves = Vandalise. "That goal was a crime"— Footballer Anagrams (@StableFloor) May 9, 2017
Reporter: "Do you miss Dani Alves?"— Marcus (@MarcusssK) May 9, 2017
Barca Fans: pic.twitter.com/gVIwEcW1Sq
An MLS team can sign Dani Alves when he's 40 and I'll be cool with it.— Jason Davis (@davisjsn) May 9, 2017
Juventus will face either Atletico Madrid or Real Madrid in the Champions League final on June 3, with the latter Spanish side winning 3-0 after 90 of the 180 minutes having been played.