Welterweight contender Santiago Ponzinibbio enters the Fight Night Buenos Aires main event matchup with Neil Magny on a six-fight win streak.

The bout airs live on FOX Sports 1 Saturday night.

Below is the current fight card:

MAIN CARD (FOX Sports 1/10 p.m. ET)

Welterweight: Santiago Ponzinibbio vs. Neil Magny

Featherweight: Ricardo Lamas vs. Darren Elkins

Light Heavyweight: Khalil Rountree Jr. vs. Johnny Walker

Middleweight: Cezar Ferreria vs. Ian Heinisch

Bantamweight: Guido Cannetti vs. Marlon Vera

Strawweight: Poliana Botelho vs. Cynthia Calvillo

PRELIMINARY CARD (FOX Sports 1/8 p.m. ET)

Welterweight: Michel Prazeres vs. Bartosz Fabinski

Flyweight: Alexandre Pantoja vs. Ulka Sasaki

Featherweight: Austin Arnett vs. Humberto Bandenay

Welterweight: Laureano Staropoli vs. Hector Aldana

PRELIMINARY CARD (UFC Fight Pass/7 p.m. ET)

Lightweight: Jesus Pinedo vs. Devin Powell

Featherweight: Anderson dos Santos vs. Nad Narimani