Sports Veteran surfer Marcio Freire, featured in ‘Mad Dog’ documentary, dies riding waves in Portugal January 6, 2023January 6, 2023Natalie Neysa Alund, USA TODAYComments Off on Veteran surfer Marcio Freire, featured in ‘Mad Dog’ documentary, dies riding waves in Portugal Marcio Freire was one of the three Brazilian surfers who became known as the "Mad Dogs" after conquering the giant wave "Jaws" in Hawaii.