There are seven numbers off-limits in Seattle SuperSonics/Oklahoma Thunder franchise history. Any future Thunder player looking to wear No. 1, 4, 10, 19, 24, 32 or 43 is out of luck.

Let's take a look at which players earned the right to get these aforementioned numbers retired by the SuperSonics/Thunder.

No. 1 Gus Williams

In 477 games with the SuperSonics, Gus Williams averaged 20.3 points, 6.0 assists and 2.3 steals over six seasons.

“The Wizard” made two All-Star teams during his time with Seattle. He was part of the 1979 championship team which defeated the Washington Bullets in five games. Williams led the entire 1979 playoffs in points with 454.

No. 4 Nick Collison

Nick Collison spent his entire NBA career with the Sonics/Thunder franchise. He played in 910 games and averaged 5.9 points, 5.2 rebounds and 1.0 assists over 14 seasons.

Collison is fourth in franchise history in total rebounds with 4,701. He was a fan-favorite throughout his career.

No. 10 Nate McMillan

The current head coach of the Indiana Pacers, Nate McMillan put up 5.9 points, 6.1 assists and 1.9 steals in 796 games with the SuperSonics.

“Mr. Sonic” was the 1994 steals champion with Seattle.

No. 19 Lenny Wilkens

One of the best point guards in NBA history, Lenny Wilkens averaged 19.5 points, 5.0 rebounds and 9.0 assists in 308 games with the SuperSonics. He made the All-Star team three times.

Wilkens is one of the top 50 players in NBA history. He made the Hall of Fame in 1998 and was the head coach of the 1979 title-winning team.

No. 24 Spencer Haywood

“Woody” averaged 24.9 points and 12.1 rebounds in 326 games with the SuperSonics. He was a four-time All-Star with Seattle.

In 2015, Spencer Haywood was inducted into the Hall of Fame.

No. 32 Fred Brown

A one-time All-Star and champion, Fred Brown put up 14.6 points, 2.7 boards and 3.3 assists in 963 games with the SuperSonics. He shot 85.8 percent from the free-throw line.

No. 43 Jack Sikma

Over nine seasons with the SuperSonics, Jack Sikma averaged 16.8 points, 10.8 rebounds and 1.1 steals in 715 games. He made the All-Star team a staggering seven times with Seattle.

Sikma was named a Hall of Famer in 2019.