UFC 137: Penn vs. Diaz
UFC 137: Penn vs. Diaz was a mixed martial arts event held by the Ultimate Fighting Championship on October 29, 2011 at Mandalay Bay Events Center in Las Vegas, Nevada.
| Release Date | October 29, 2011 | |
|---|---|---|
| Status | Released | |
| Original Title | UFC 137: Penn vs. Diaz | |
| Runtime | 2h 51min | |
| Budget | — | |
| Revenue | — | |
| Language | English | |
| Original Language | English | |
| Production Countries | — | |
| Production Companies | Zuffa | |