UFC Ultimate Fight Night 4 è un evento di MMA del 6 aprile 2006. Si tiene a Hard Rock Hotel and Casino, Las Vegas, Nevada, U.S.. Qui trovi la card completa con i risultati degli incontri.
| Categoria | Incontro | Esito |
|---|---|---|
| Main Card | ||
| Light Heavyweight | Stephan Bonnar vs Keith Jardine | Decision (unanimous) (29–28, 29–28, 29–28) R3 5:00 |
| Light Heavyweight | Rashad Evans vs Sam Hoger | Decision (split) (28–29, 30–27, 29–28) R3 5:00 |
| Welterweight | Josh Neer vs Joe Stevenson | Decision (unanimous) (29–28, 29–28, 29–28) R3 5:00 |
| Middleweight | Chris Leben vs Luigi Fioravanti | Decision (unanimous) (30–27, 30–27, 30–27) R3 5:00 |
| Preliminary Card | ||
| Welterweight | Luke Cummo vs Jason Von Flue | Decision (unanimous) (30–27, 30–26, 30–27) R3 5:00 |
| Welterweight | Jon Fitch vs Josh Burkman | Submission (rear-naked choke) R2 4:57 |
| Heavyweight | Dan Christison vs Brad Imes | Submission (armbar) R3 3:37 |
| Welterweight | Josh Koscheck vs Ansar Chalangov | Submission (rear-naked choke) R1 3:29 |
| Middleweight | Chael Sonnen vs Trevor Prangley | Decision (unanimous) (30–27, 30–27, 30–27) R3 5:00 |