What time is the Aljamain Sterling vs. Sean O'Malley fight tonight ...

Aljamain Sterling makes the fourth defence of his UFC bantamweight title when he faces Sean O'Malley tonight. 

Sterling will be looking to extend his record-breaking UFC bantamweight title defences to four, while O'Malley will be looking to win his first UFC title. 

Here's everything you need to know ahead of Sterling vs. O'Malley.

Sterling vs. O'Malley fight date, start time tonight Date: Saturday, August 19  Time: 10 p.m. ET / 3 a.m. UK  Main event cagewalks (approx): 1 a.m. ET / 6 a.m. UK 

The main card will get underway at 10 p.m. ET / 3 a.m. UK with the main event cagewalks scheduled for 1 a.m. ET / 6 a.m. UK. These timings could change due to the length of the undercard fights. 

What channel/stream is Sterling vs. O'Malley on tonight? U.S.: ESPN+ PPV UK: TNT Sport

The fight will be available to purchase on ESPN+ PPV in the U.S. (click here for more information), while fans in the UK can watch the fight on TNT Sport. 

Where is the Sterling vs. O'Malley fight tonight?

The fight will take place at the TD Garden in Boston, Massachusetts. 

Aljamain Sterling record and bio Nationality: American Date of birth: July 31, 1989 Height: 5' 7"   Reach: 71"   Total fights: 26   Record: 23-3-0  Sean O'Malley record and bio Nationality: American Date of birth: October 24, 1994 Height: 5' 11"   Reach: 72"   Total fights: 17  Record: 16-1-0 (1 NC)  Sterling vs. O'Malley fight card

Main Card

Aljamain Sterling vs. Sean O'Malley; For Sterling's UFC bantamweight title  Zhang Weili vs. Amanda Lemos; For Weili's UFC women's strawweight title  Neil Magny vs. Ian Machado Garry; Welterweight Marlon Vera vs. Pedro Munhoz; Bantamweight

Prelims

Chris Weidman vs. Brad Tavares; Middleweight Gregory Rodrigues vs. Denis Tiuliulin; Middleweight Austin Hubbard vs. Kurt Holobaugh; The Ultimate Fighter 31 lightweight final 

Early prelims

Andre Petroski vs. Gerald Meerschaert; Middleweight Andrea Lee vs. Natalia Silva; Women's flyweight Karine Silva vs. Maryna Moroz; Women's flyweight