Spencer William Fisher is a retired American mixed martial artist. A professional competitor from 2002–2012, he is best known for his 17-fight tenure with the UFC, winning "Fight of the Night" honors three times.

Thiago Alves is a Brazilian former bare-knuckle fighter and former mixed martial artist. A 27-fight veteran of the Ultimate Fighting Championship, he competed in the promotion from 2005 until 2019. Aside from being a professional fighter, Alves has been a striking coach at the American Top Team since 2017.