Fredson Alves vs Leo Vieira
Fredson Alves and Leo Vieira have met 3 times in recorded professional competition. Leo Vieira leads the series 3–0.
| Year | Result | Method | Event |
|---|---|---|---|
| 2004 | Leo Vieira | Pts: 4x2 | Pan American |
| 2002 | Leo Vieira | — | IBJJF Pan Championship |
| 2001 | Leo Vieira | Points | Pan American |