It fits best at inside linebacker with a fit of 67.6 — 73rd of 1025 at that position, and 9th in Sinnoh. Its next best use is outside linebacker at 67.3.
Attack and Defense carry it, HP is close behind, and a little Speed keeps it from being a liability in coverage. Two of them start in the 3-4.

The six numbers the game reads. Everything on this page is derived from them.
The working behind the 67.6 fit, line by line.
| Value | Of ceiling | Weight | Points |
|---|---|---|---|
| Defense130 | 92% | 28% | 25.7 |
| Attack110 | 75% | 30% | 22.5 |
| Speed95 | 68% | 14% | 9.5 |
| HP65 | 35% | 20% | 6.9 |
| Sp. Def65 | 38% | 8% | 3.0 |
| Fit at Inside linebacker | 67.6 | ||
Fit is the 0–100 rating the game keeps hidden. Ranks compare against all 1,025 Pokémon and against its own generation.
| Position | Fit | Rank, all | Rank, Gen 4 |
|---|---|---|---|
| Quarterback | 44.9 | 474th | 60th |
| Halfback | 64.1 | 133rd | 18th |
| Fullbackfullback only | 61.4 | 206th | 22nd |
| Slot receiverslot only | 57.4 | 252nd | 36th |
| Wide receiver | 57.4 | 267th | 34th |
| Tight end | 61.0 | 197th | 18th |
| Offensive line | 56.7 | 258th | 26th |
| Defensive end | 63.8 | 158th | 19th |
| Nose tackle3-4 only | 56.1 | 274th | 29th |
| Defensive tackle4-3 only | 58.8 | 235th | 24th |
| Outside linebacker | 67.3 | 84th | 12th |
| Inside linebacker3-4 only | 67.6 | 73rd | 9th |
| Middle linebacker4-3 only | 65.4 | 87th | 12th |
| Cornerback | 62.9 | 162nd | 22nd |
| Safety | 55.1 | 224th | 31st |
Leafeon is best used at inside linebacker, but you still draft and play in the game itself.
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