Roll out the oldsters.

The new 3-on-3 basketball league, BIG3, announced Wednesday that former NBA stars Jason Williams and Rashard Lewis have signed on to play with a new team, the 3-Headed Monsters.

The upstart league, co-founded by rapper Ice Cube, is due to start play in late June. It will also showcase fellow superstar players like Allen Iverson and feature coaches such as George Gervin and Clyde Drexler. It is a managed by the players and the basketball is played half court.

Williams, 41, played 12 seasons in the NBA with Sacramento, Memphis, Miami and Orlando, winning a title with the Heat in 2006. Williams, also known as White Chocolate, retired in 2011 and is the captain of the 3-Headed Monsters.

Lewis, 37, most recently played for the Heat in 2013-14 (his last season) and was a teammate with Williams in Orlando during the 2010-11 campaign. Lewis, who was drafted 32nd overall by Seattle in 1998, played 16 seasons in the NBA with the SuperSonics, Orlando, Washington and Miami.