As soon as the trade between the Dallas Mavericks and Los Angeles Lakers was announced on Sunday, sending Luka Doncic to L.A. and Anthony Davis to Dallas, everyone immediately thought it was the craziest and most shocking trade in NBA history. And it wasn't just NBA historians or fans thinking this.

The Dallas Mavericks and Los Angeles stunned everybody by agreeing to a trade involving Luka Doncic and Anthony Davis late on Saturday night. Initially, people thought it was fake, and even ESPN insider Shams Charania -- who broke the news -- thought he had been hacked .

Here's everything you need to know about Nico Harrison, the Mavericks GM and mastermind behind the Luka Doncic trade for Anthony Davis.