As Luke Kornet gets ready to don the San Antonio Spurs' black and silver in jersey No. 7, he couldn’t resist cracking a joke about the legendary big man who once wore No. 21 in San Antonio.

The Spurs signed Boston Celtics big man Luke Kornet to a 4-year deal worth $41 million. Kornet had been with the Celtics for two seasons. Last year, he averaged six points, 5.3 rebounds and 1.6 assists per game, while shooting nearly 67% from the field.

Luke Kornet has been known around the NBA as a funny guy. He got to show that humor off in his first meeting with San Antonio reporters after signing a $41 million deal to join th