| Fight Name: | Attack & Conquer |
| Fight Date: | July 23, 2011 |
| Location: | Mandalay Bay Resort & Casino, Las Vegas, U.S. |
| Titles: | WBA (Super) and IBF light welterweight titles |
| Fighter1: |  Amir Khan |
| Nickname1: | "King Khan" |
| Hometown1: | Bolton, Greater Manchester, UK |
| Purse1: | $1,072,500 |
| Record1: | 25–1 (17 KO) |
| Height1: | 5 ft 8+1/2 in |
| Weight1: | 140 lb |
| Style1: | Orthodox |
| Recognition1: | WBA Light Welterweight Champion The Ring No. 2 Ranked Light Welterweight |
| Fighter2: |  Zab Judah |
| Nickname2: | "Super" |
| Hometown2: | Brooklyn, New York, U.S. |
| Purse2: | $500,000 |
| Record2: | 41–6 (28 KO) |
| Height2: | 5 ft 7 in |
| Weight2: | 140 lb |
| Style2: | Orthodox |
| Recognition2: | IBF Light Welterweight Champion The Ring No. 6 Ranked Light Welterweight 2-division world champion |
| Result: | Khan defeats Judah by 5th round Knockout |
Amir Khan vs. Zab Judah, billed as Attack & Conquer, was a professional boxing match contested on July 23, 2011 for the WBA (Super) and IBF light welterweight championship.[1] [2] [3]
Amir Khan and Zab Judah started the build-up via a war of words on Twitter. The two fought in Las Vegas on 23 July, when the both put their titles on the line, Khan his WBA belt, Judah his IBF.[4]
At the weigh-in Khan and Judah both made weight weighing in on the 140 lbs limit.[5]
Amir Khan started the fight with a left jab. Round 1 saw a busy Amir Khan as he fought from the outside and kept Judah away with jabs and straights. All four rounds were taken by Khan. Ultimately on the 5th round Zab was taken down with a right uppercut to the body, in which at first commentators believed it was a low blow, since Judah was showing signs of agonizing pain, but when it was seen from a different camera angle, it was right on the belt, leading to a Knockout for Amir Khan.
He held the IBF and WBA Light Welterweight titles until a controversial defeat at the hands of Lamont Peterson.[6]
Confirmed bouts:[7]
Amir Khan vs. Zab Judah
Peter Quillin vs. Jason LeHoullier Gary Russell Jr. vs. Eric Estrada James Kirkland vs. Alexis Hloros Ronny Rios vs. 
Noe Lopez Jr. Josiah Judah vs. Rafael Jastrzebski Bryant Jennings vs. Theron Johnson Marcos HerreraThe fight was televised on the pay-per-view channel Primetime (UK) with commentary on BBC 5 Live and BBC Sport website and HBO.
| align=center | Country | align=center | Broadcaster |
|---|---|---|---|
| Main Event | |||
| Sport 1 | |||
| Sport 2 | |||
| tvOne | |||
| Sportitalia | |||
| Space[11] | |||
| Astro | |||
| Sky | |||
| Geo TV | |||
| AKTV | |||
| Polsat Sport | |||
| Sport TV | |||
| Al Jazeera Sports | |||
| NTV Plus | |||
| SuperSport | |||
| Primetime | |||
| HBO |