The UFC has announced the fight lineup for UFC 164 on August 31st in Milwaukee and the preliminary card will air on Fox Sports 1 and Facebook. 
The preliminary card will begin at 6 p.m. ET/3 p.m. PT with three fights on the UFC Facebook page and the remaining four preliminary bouts will air on Fox Sports 1 at 8 p.m. ET/5 p.m. PT.
The main card on pay-per-view will begin at 10 p.m. ET/ p.m. PT and will be headlined by Benson Henderson (19-2) defending the UFC lightweight title against Anthony Pettis (16-2) and is a rematch of their 2010 bout in the WEC.
The current UFC 164: Henderson vs. Pettis II fight card lineup is below:
Main Card: (PPV – 10 p.m. ET/7 p.m. PT)
Benson Henderson (19-2) vs. Anthony Pettis (16-2) – Lightweight Title bout
Josh Barnett (32-6) vs. Frank Mir (16-7)
Chad Mendes (14-1) vs. Clay Guida (30-13)
Brandon Vera (12-6, 1NC) vs. Ben Rothwell (32-9)
Erik Koch (13-2) vs. Dustin Poirier (13-3)
Preliminary Card: (Fox Sports 1 – 8 p.m. ET/5 p.m. PT)
Jamie Varner (21-7-1, 2NC) vs. Gleison Tibau (27-9)
Louis Gaudinot (6-2) vs. Tim Elliot (9-3-1)
Pascal Krauss (11-1) vs. Hyun Gyu Lim (11-3-1)
Chico Camus (12-4) vs. Kyung Ho Kang (11-7)
Preliminary Card: (Facebook – 6 p.m. ET/3 p.m. PT)
Soa Palelei (18-3) vs. Nikita Krylov (14-0)
Ryan Couture vs. Al Iaquinta (5-2-1)
Jared Hamman (13-5) vs. Magnus Cedenblad (10-4)