UFC Fight Night 103 is a Mixed Martial Arts Featherweight Main Event card between Yair Rodríguez (8-1-0, 2 KO's) fighting out of Chicago, Illinois by way of Parral, Chihuahua, Mexico who is going up against B.J. "The Prodigy" Penn (16-10-2, 7 KO's) fighting out of Kailua, Hawaii. This card is airing live tonight on FOX Sports 1 from the Talking Stick Resort Arena in Phoenix, Arizona.

UFC on Fox 23 is a mixed martial arts event that will be held by the Ultimate Fighting Championship with a Women's Bantamweight main event card between Valentina "The Bullet" Shevchenko (58-2-1, 21 KO's) fighting out of Lima, Peru and her opponent Julianna "The Venezuelan Vixen" Peña (8-2-0, 3 KO's) fighting out of Spokane, Washington. This card is airing live tonight from the Pepsi Center in Denver, Colorado.

The 3 scheduled undercard bouts are as follows:

Featherweight: Alex Caceres vs. Jason Knight

Heavyweight: Andrei Arlovski vs. Francis Ngannou

Welterweight: Donald Cerrone vs. Jorge Masvidal