Background. Pettis went to Pius XI High School. He is the younger brother of former UFC Lightweight Champion Anthony Pettis. His mother is Mexican and his .Get the latest fight results, record, history, videos, highlights and more for Anthony Pettis on ESPN.com..Anthony Pettis joins Ariel Helwani’s MMA Show to talk about his upcoming UFC bout against Nate Diaz. Pettis explains that while Diaz is a “tough dude .Anthony Pettis breaking news and and highlights for UFC fight vs. Anthony Pettis, with official Sherdog mixed martial arts stats, photos, videos, and more for the .