There is no doubting the placement of Cain Velasquez among the list of elite MMA heavyweights all-time.

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But some question whether Velasquez can return to that incredible form.

Velasquez takes on Francis Ngannou Sunday night at UFC Phoenix on ESPN.

Below is the current fight card:

MAIN CARD (ESPN/9 p.m. ET)

Heavyweight: Cain Velasquez vs. Francis Ngannou

Lightweight: James Vick vs. Paul Felder

Strawweight: Cortney Casey vs. Cynthia Calvillo

Featherweight: Alex Caceres vs. Kron Gracie

Welterweight: Vicente Luque vs. Bryan Barberena

Featherweight: Andre Fili vs. Myles Jury

PRELIMINARY CARD (ESPN/7 p.m. ET)

Bantamweight: Jimmie Rivera vs. Aljamain Sterling

Bantamweight: Benito Lopez vs. Manny Bermudez

Female Flyweight: Andrea Lee vs. Ashlee Evans-Smith

Lightweight: Scott Holtzman vs. Nik Lentz

PRELIMINARY CARD (ESPN+/5:30 p.m. ET)

Bantamweight: Renan Barao vs. Luke Sanders

Strawweight: Jessica Penne vs. Jodie Esquibel

Strawweight: Aleksandra Albu vs. Emily Whitmire