Go inside the lives and training camps of four athletes preparing for UFC 227 in this edition of “Countdown.”

Bantamweight champion TJ Dillashaw defends his title against former champion Cody Garbrandt and flyweight champion Demetrious Johnson takes on Henry Cejudo this Saturday night from the Staples Center in Los Angeles.

Below is the current fight card:

MAIN CARD (PPV/10 p.m. ET)

UFC Bantamweight Championship
TJ Dillashaw (c) vs. Cody Garbrandt

UFC Flyweight Championship
Demetrious Johnson (c) vs. Henry Cejudo

Middleweight: Thiago Santos vs. Kevin Holland

Strawweight: Polyana Viana vs. JJ Aldrich

Featherweight: Cub Swanson vs. Renato Moicano

PRELIMINARY CARD (FX/8 p.m. ET)

Bantamweight: Pedro Munhoz vs. Brett Johns

Bantamweight: Ricky Simon vs. Montel Jackson

Female Bantamweight: Bethe Correia vs. Irene Aldana

Featherweight: Matt Sayles vs. Sheymon Moraes

PRELIMINARY CARD (UFC Fight Pass/6 p.m. ET)

Flyweight: Jose Torres vs. Alex Perez

Bantamweight: Ricardo Ramos vs. Kyung Ho Kang

Strawweight: Danielle Taylor vs. Zhang Welli

Bantamweight: Marlon Vera vs. Wuliji Buren