![5 Knockout Fighting Docs to Watch Before Mayweather vs. McGregor](https://blog.nfb.ca/wp-content/uploads/2017/08/mcgregormayweather.png)
5 Knockout Fighting Docs to Watch Before Mayweather vs. McGregor
If you want to watch the Mayweather vs. McGregor fight with a better understanding of fighting culture, check out these 5 knockout docs that offer powerful stories from the world of combat sports.