Former UFC middleweight Chael P. Sonnen has not lost sight of his Brazilian rivalry with Wanderlei Silva.

And while both men are out of the UFC, Sonnen is trying to get the attention of his formal rival.

Here’s the ultimatum:

We need to talk. If you ignore me, I'll have to stick shoe in you ass. If you'd rather listenI've got an idea @wandfc

— Chael Sonnen (@sonnench) January 24, 2015