A quarterback with a developmental — a rotational or backup contributor who filled their role reliably.
Worth 13 points of value above a freely-available replacement quarterback — top 76% of all 4,642 ranked at the position. 2 of 3 seasons cleared the replacement bar, by +6.5 on average.See board →
Seasons above replacement
2 seasons × ~6.5 surplus ≈ VORP 13
The full season-by-season grids, joined on one timeline. Every selected stat family stays visible at once—no tab hopping.
| Season | Age | Team | G | GS | Passing | Rushing | Advanced (EPA) | |||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cmp | Att | Cmp% | Yds | TD | Int | TD% | Int% | Y/A | AdjY/A | TD:INT | Rate | Sk | Att | Yds | TD | Y/A | TD% | 1D | 1D% | Fmb | Pass EPA | Rush EPA | Rec EPA | Pass AirYd | Rec AirYd | |||||
| 1998 | — | SD | 10 | — | 111 | 245 | 45.3% | 1,289 | 2 | 15 | 0.8 | 6.1 | 5.3 | 2.7 | 0.1 | 39.0 | — | 27 | 80 | 0 | 3.0 | 0.0 | — | — | — | — | — | — | — | — |
| 2000 | — | LAC | 10 | — | 151 | 305 | 49.5% | 1,779 | 11 | 17 | 3.6 | 5.6 | 5.8 | 4.0 | 0.6 | 56.4 | 30 | 28 | 54 | 0 | 1.9 | 0.0 | 6 | 21.4 | 2 | — | — | — | — | — |
| 2000 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | -64.1 | -22.2 | — | 0 | 0 |
| 2001 | — | DAL | 4 | — | 45 | 88 | 51.1% | 494 | 1 | 3 | 1.1 | 3.4 | 5.6 | 4.3 | 0.3 | 57.7 | 12 | 4 | -7 | 0 | -1.8 | 0.0 | 0 | 0.0 | 1 | — | — | — | — | — |
| 2001 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | -30.4 | -7.2 | — | 0 | 0 |
| Career | — | 24 | — | 307 | 638 | 48.1% | 3,562 | 14 | 35 | 2.2 | 5.5 | 5.6 | 3.6 | 0.4 | 49.9 | 42 | 59 | 127 | 0 | 2.2 | 0.0 | — | — | — | -94.5 | -29.4 | — | 0 | 0 | |
A depth / rotational career by KV-H: a remarkably steady profile that scores 30 of 100, era-normalized against pass yds/g peers across 3 scored seasons, with a short career trimming the score.
Blend 35 × longevity 0.86 = KV-H 30· confidence 83%
Season-by-season quality (era-relative pass yds/g)
Reached 4% of the all-time Passing Yards leader — a rotational/depth all-time profile at the position.
A 0–100 scale where 100 = matched the all-time leaderat this position. Built only from visible encyclopedia data — career production vs. the all-time leader, plus efficiency (EPA) and comparable-player confidence — so it's a transparent context score, not a subjective rating. Tiers: Elite ≥ 85 · Strong ≥ 65 · Solid ≥ 45 · Depth < 45. Comparable-player confidence: 87%.
Amber = this player (normalized to own peak). Indigo = average QBs aging curve. Group peak age: 29. Source: StatVault KV-H era (1999+).
| Season | School | Cmp | Att | Cmp% | Yds | TD | Int | TD% | Int% | Y/A | AdjY/A | TD:INT | Rate | Sk |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1995 | Washington State | 52 | 97 | 53.6% | 654 | 4 | 1 | 4.1 | 1.0 | 6.7 | 7.1 | 4.0 | 84.3 | — |
| 1996 | Washington State | 194 | 373 | 52.0% | 2,811 | 21 | 12 | 5.6 | 3.2 | 7.5 | 7.2 | 1.8 | 82.2 | — |
| 1997 | Washington State | 227 | 410 | 55.4% | 3,968 | 34 | 11 | 8.3 | 2.7 | 9.7 | 10.1 | 3.1 | 105.0 | — |
| Career | 473 | 880 | 53.8% | 7,433 | 59 | 24 | 6.7 | 2.7 | 8.4 | 8.6 | 2.5 | 93.1 | 0 |
| Season | School | Att | Yds | TD | Y/A | TD% | 1D | 1D% | Fmb |
|---|---|---|---|---|---|---|---|---|---|
| 1995 | Washington State | 22 | 13 | 2 | 0.6 | 9.1 | — | — | — |
| 1996 | Washington State | 69 | 136 | 6 | 2.0 | 8.7 | — | — | — |
| 1997 | Washington State | 82 | 48 | 6 | 0.6 | 7.3 | — | — | — |
| Career | 173 | 197 | 14 | 1.1 | 8.1 | — | — | — |
Career teammates and draft class, derived from year-by-year rosters — every name is linked.
Statistical + physical similarity across every player in the database, position-relevant (0–100%).
Joined DAL (from LAC)
Last recorded season with DAL
Joined LAC (from SD)
Drafted by LAC — Round 1, Pick 2
Joined SD (from LAC)
StatVault's proprietary player intelligence, informed by full career data. How Knox works →
Era-normalized career quality — z-scored against 3-season peers. See all →
Career durability — games played vs. scheduled, across 3 seasons.
Pass Yds translated to the 2025NFL — each season's standing among its own-era peers, projected onto 2025's scoring environment. Modern-era (1999+) coverage.
| Season | Actual Pass Yds | Pass Yds/G | → 2025 Pass Yds | → 2025 /G |
|---|---|---|---|---|
| 1998 | 1,289 | 128.9 | 2,874+1,585 | 169.1 |
| 2000 | 1,779 | 177.9 | 3,459+1,680 | 203.4 |
| 2001 | 494 | 123.5 | 2,540+2,046 | 149.4 |
Data: nflverse:players, nflverse:player_stats, nflverse:draft_picks, nflverse:advanced-epa (CC-BY 4.0), wikipedia:season-stats (CC-BY-SA, facts-only), wikipedia:college-stats (CC-BY-SA, facts-only), espn.com:stats-api (games-played, facts-only reference) · multi-source verified via the StatVault Oracle · updated 6/18/2026
Career Value · VORP
13 career value over replacement — #3465 all-time of 4,642. 4.3/season above a replacement-level QB.
Pick #2 (Rd 1) · LAC · 1998 · -31.8 vs expected KV-H
Fan Rating
Rate Ryan Leaf — All-Time
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