Heavyweights Cheick Kongo and Alexander Volkov will collide in the main event of Bellator 139 this June, the promotion announced recently.

Set for June 26 from the Kansas Star Arena in Mulvane, Kansas, Kongo and Volkov will comprise the Spike TV main event.

Kongo (22-10-2) is a former UFC fighter who has gone 4-2 since signing with Bellator. He’ll meet a former champion in Volkov (24-5), who has won three in a row since a loss to current champion Vitaly Minakov.

Below is the current lineup:

Heavyweight: Cheick Kongo vs. Alexander Volkov

Featherweight: Pat Curran vs. Goiti Yamauchi

Lightweight: David Rickels vs. John Alessio

Lightweight: Gaston Reyno vs. Greg Scott