Sports Giannis Antetokounmpo once almost quit the NBA. Now he wants to help people with foundation. April 12, 2023 Lori Nickel, Milwaukee Journal Sentinel Comments Off on Giannis Antetokounmpo once almost quit the NBA. Now he wants to help people with foundation. "In 2020, I was ready to walk away from the game. I had that conversation – yes – with the front office," Giannis Antetokounmpo said.