Some stuff about Usyk in The Smashing Machine.

Usyk's skill in boxing and elsewhere.
https://youtu.be/A0htXxbbq84?t=1258 up to 24:30

Usyk bribed with cake all day.
https://youtu.be/3vZSAOejNxc?t=344

Dwayne Johnson almost knocked out.
https://youtu.be/ptqXbi3naPo?t=498 up to 12:20

Origami Champion.
https://www.youtube.com/watch?v=9FdDuMogeA0