UFC featherweight champion Jose Aldo will take on his toughest opponent to date, Frankie Edgar, this Saturday night in the main event of UFC 156.

The card goes down from the Mandalay Bay Events Center in Las Vegas. The main card airs at 10 p.m. ET on pay-per-view, while the prelims begin on Facebook at 6:30 p.m. ET before switching over to FX at 8 p.m. ET.

In other key bouts, Rashad Evans returns from nearly a year-long layoff to face Antonio Rogerio Nogueira, while Alistair Overeem and Antonio Silva battle to prove who is the No. 1 contender at heavyweight.

MMAConvert.com will be providing coverage from the event.

Below is the current card for the show:

MAIN CARD (PPV)

UFC Featherweight Championship
Jose Aldo (c) vs. Frankie Edgar

Light Heavyweight: Rashad Evans vs. Antonio Rogerio Nogueira

Heavyweight: Alistair Overeem vs. Antonio Silva

Welterweight: Jon Fitch vs. Demian Maia

Flyweight: Joseph Benavidez vs. Ian McCall

PRELIMINARY CARD (FX)

Lightweight: Evan Dunham vs. Gleison Tibau

Middleweight: Jay Hieron vs. Tyron Woodley

Lightweight: Jacob Volkmann vs. Bobby Green

Lightweight: Yves Edwards vs. Isaac Vallie-Flagg

PRELIMINARY CARD (Facebook)

Bantamweight: Edwin Figueroa vs. Francisco Rivera

Bantamweight: Chico Camus vs. Dustin Kimura