Kelvin Gastelum scored one of the biggest victories of his career last night in Brazil by scoring a knockout win over mixed martial arts legend Vitor Belfort.

Following his victory over “The Phenom”, Gastelum proceeded to call out former UFC middleweight champion Anderson “The Spider” Silva in his post-fight octagon interview.

Kelvin explained his decision to challenge Anderson Silva during a backstage interview with the UFC last night. (See the above video).

Would you like to see a fight between Kelvin Gastelum and Anderson Silva booked by UFC officials? Sound off PENN Nation.

In case you missed last night’s Belfort vs. Gastelum main event tilt, we have the full play-by-play from the fight below:

Round one begins and Vitor lands a good kick to the body early. Gastelum with the pressure early. He lands a nice jab but Vitor respond with a quick left of his own. Kelvin lands a nice combo but Vitor replies with a hard straight left. He lands another. Gastelum continues to press forward. Vitor attempts a flying knee that misses. Gastelum connects with a good jab that draws some blood from the nose of Belfort. Kelvin is pumping his jab here. Vitor partially connects with a spinning kick. Gastelum eats it and then connects with a punch of his own that drops Vitor. Kelvin follows him to the ground and unloads some ground and pound. Vitor scrambles and gets back to his feet. Belfort circles out and lands a nice right hand. Gastelum with a jab but Vitor scores with a right. Kelvin with another hard punch that drops Vitor. He lands a hammer fist and this one is over. Wow.