Example of Mixed Martial Arts (MMA) in anime

https://www.youtube.com/watch?v=G6GmyLvih5Y - from Attack on Titan: 3:08

Information about the anime and manga Baki

https://www.youtube.com/watch?v=bTMMdMVFRWE - 18:00

Examples of boxing in anime

https://www.youtube.com/watch?v=cV93rcf4L7M - from Hajime No Ippo: 4:11

https://www.youtube.com/watch?v=NyjkIlWG69w - video comparing boxing anime Megalo Box with

Ashita No Joe: 7:06

https://www.youtube.com/watch?v=JHsUfuFVRSQ - from Baccano!: 3:50

Martial arts in examples of westernized anime

https://www.youtube.com/watch?v=88Tf9f54Um8 - from The Boondocks: 1:26

https://www.youtube.com/watch?v=iisrUSi7Kgw - from Avatar: 2:27

https://www.youtube.com/watch?v=0JpRreIofaw - from Samurai Jack: 3:08

The anime Afro Samurai and the Book of Five Rings

https://www.youtube.com/watch?v=EwVXBrlFL7Y - 5:52