Antetokounmpo averaged 27.7 points, 12.5 rebounds and 5.9 assists per game this season.
He got choked up while thanking his wife and kids Monday night.
He earned his first Coach of the Year trophy with Atlanta in 2015. The award was announced on Monday at a ceremony in Los Angeles.
When you look at the leap Siakam made per-36 minutes, the voters are validated. He is the first Raptor to earn the honour.
The other finalists for the Sixth Man award were Williams' teammate Montrezl Harrell and the Indiana Pacers' Domantas Sabonis. Still only six seasons into his career, there is plenty of room for growth for Antetokounmpo and he understands that because of his work with Bryant and how the Lakers legend pushes him.
Kyle Korver, who was sent to the Memphis Grizzlies as part of the trade for Conley, finished third in Teammate of the Year voting. He thanked his parents for the way he was raised.
Young, a point guard, averaged 19.1 points, 8.1 assists and 3.7 rebounds in 30.9 minutes per game last season. He then scored 32 points in Game 1 of the NBA Finals.
Mark Cuban says deals aren't typically consummated the first night of free agency.
"This is just the beginning", he said.
And it didn't take long before he became one of the rising stars of the third division of Filathlitikos in the Zografou neighborhood.
Yet it's hard to fathom that the Bucks thought of him as their next big name when they first drafted a 13-lettered last name from Greece with the 15th pick of the 2013 NBA Draft.
Giannis was very emotional as he accepted his award and spoke of his passion for basketball and how much it has changed his life.