Funny MMA - May 29, 2010 Todd Duffee received the most brutal hammer fist of all time. Good comeback from Mike Russow | Facebook
![Pros react after Grant Dawson earns standing hammer fist KO with one second left on the clock at UFC Vegas 22 | BJPenn.com Pros react after Grant Dawson earns standing hammer fist KO with one second left on the clock at UFC Vegas 22 | BJPenn.com](https://www.bjpenn.com/wp-content/uploads/Grant-Dawson-KO-.jpg)
Pros react after Grant Dawson earns standing hammer fist KO with one second left on the clock at UFC Vegas 22 | BJPenn.com
![Why do UFC fighters hammer punch instead of straight punch? I see it mostly when they are wrestling. - Quora Why do UFC fighters hammer punch instead of straight punch? I see it mostly when they are wrestling. - Quora](https://qph.cf2.quoracdn.net/main-qimg-6c46c54899b4c98a77ed4665e451c35f.webp)