A pair of new lightweight matches have been added to the December UFC Fight Night 58 event, as Charlie Brenneman meets Leandro Silva and Rashid Magomedov takes on Elias Silverio.

Set for December 20 from the Jose Correa Arena in Barueri, Sao Paulo, Brazil, the event features former light heavyweight champion Lyoto Machida against C.B. Dollaway.

Brenneman (19-7) is in his second stint with the UFC, but is coming off losses to Beneil Dariush and Danny Castillo. He is 4-6 over the course of 10 Octagon appearances.

Silva (16-2) needs a win just as bad, having dropped a pair of bouts. The 28-year-old has lost to Ildemar Alcantara and Francisco Trinaldo.

Magomedov (18-1) and Silverio (11-0) are a combined 5-0 in the UFC. Magomedov is a former M-1 champion who has won 10 in a row, while Silverio holds victories over Joao Zeferino, Isaac Vallie-Flagg and Ernest Chavez.

Below is the current lineup:

Middleweight: Lyoto Machida vs. C.B. Dollaway

Light Heavyweight: Patrick Cummins vs. Antonio Carlos, Jr.

Light Heavyweight: Igor Pokrajac vs. Marcos Rogerio de Lima

Lightweight: Charlie Brenneman vs. Leandro Silva

Lightweight: Rashid Magomedov vs. Elias Silverio