UFC 156: "Aldo vs. Edgar" goes down Saturday, Feb. 2, 2013, from the Mandalay Bay Events Center in Las Vegas, Nevada.

Headlining the event is an Ultimate Fighting Championship (UFC) featherweight championship between reigning 145-pound kingpin Jose Aldo and former lightweight champion Frankie Edgar, who moves down a weight class for the first time to challenge for Aldo's belt.

The co-main event of the night will see two of the top light heavyweight contenders in the world face off as Rashad Evans competes for the first time since failing to capture the 205-pound title from Jon Jones to take on Antonio Rogerio Nogueira.

In another featured bout on the main card, Alistair Overeem returns from suspension with hopes of earning a shot at Cain Velasquez's heavyweight title when he takes on Antonio Silva.

Watch extended video preview for UFC 156: "Aldo vs. Edgar" above.

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