| Event Details | |
|---|---|
| Organization | Ultimate Fighting Championship |
| Name | UFC 41 - Onslaught |
| Date | February 28th, 2003 |
| Venue | Boardwalk Hall |
| Location | Atlantic City, New Jersey, United States |
| Fight #1 | |
|---|---|
| Lightweight Bout | |
  |
 |
| Yves Edwards | Rich Clementi |
| Yves Edwards via Submission (Rear-Naked Choke) | |
| Time Round 3 @ 4:07 |
Referee Larry Landless |
| Fight #2 | |
|---|---|
| Heavyweight Bout | |
|
 |
| Gan McGee | Alexandre Dantas |
| Gan McGee via TKO (Punches) | |
| Time Round 1 @ 4:49 |
Referee John McCarthy |
| Fight #3 | |
|---|---|
| Lightweight Bout | |
|
 |
| Din Thomas | Matt Serra |
| Din Thomas via Decision (Split) | |
| Time Round 3 @ 5:00 |
Referee Larry Landless |
| Fight #4 | |
|---|---|
| Heavyweight Bout | |
  |
|
| Vladimir Matyushenko | Pedro Rizzo |
| Vladimir Matyushenko via Decision (Unanimous) | |
| Time Round 3 @ 5:00 |
Referee Larry Landless |
| Fight #5 | |
|---|---|
| Middleweight Bout | |
|
 |
| Matt Lindland | Phil Baroni |
| Matt Lindland via Decision (Unanimous) | |
| Time Round 3 @ 5:00 |
Referee John McCarthy |
| Fight #6 | |
|---|---|
 UFC Lightweight Title Bout |
|
 |
 |
| B.J. Penn | Caol Uno |
| Draw (Split) | |
| Time Round 5 @ 5:00 |
Referee John McCarthy |
| Fight #7 | |
|---|---|
| Heavyweight Bout | |
 |
|
| Frank Mir | David Abbott |
| Frank Mir via Submission (Toe Hold) | |
| Time Round 1 @ 0:46 |
Referee Larry Landless |
| Fight #8 | |
|---|---|
| UFC Heavyweight Title Bout |
|
|
|
| Tim Sylvia | Ricco Rodriguez |
| Tim Sylvia via TKO (Punches) | |
| Time Round 1 @ 3:09 |
Referee John McCarthy |