Alex Pereira has a big fan in heavyweight boxing star Anthony Joshua.

Joshua took time out of his weekend to lavish some praise on the UFC light heavyweight champion, tweeting that Pereira should compete in boxing someday. Pereira has become known for his fearsome, one-touch knockout power, which has carried him to world championships in multiple divisions in MMA and kickboxing.

An appreciative Pereira responded to Joshua, asking him who he thinks he should box.

See the social media exchange below.