Prince Kaybee wants to knock Cassper out! By Andiswa Ngenyane Cassper Nyovest and Prince Kaybee are planning a boxing match. RAPPER Cassper Nyovest and producer Prince Kaybee have tweeps excited about a possible boxing match between them. The musicians are currently organising the boxing match and are promising to knock each other out. This was started by Cassper Nyovest, who suggested that South African celebrities should also box because American celebs do it. “Celebrity boxing is sooo big in the States. I think we could make decent money in Africa with it too. It could also boost boxing on the continent. Who do you think would make a great boxing fight?” he asked on Twitter.