Jon Jones and Daniel Cormier don’t like each other. They’re also headlining UFC 200, so they’re making the most of their feelings with back-and-forth volleys on social media.

For champ Cormier, that meant a recent clip of him hitting a heavybag that has a poster of Jones’ likeness stuck to it.

For Jones, that means responding with the following sonnet:

(Note: since Jones has a habit of deleting his Instagram posts, a pic of it is also below.)