A edge rusher with a developmental β a rotational or backup contributor who filled their role reliably.
Worth 12 points of value above a freely-available replacement interior lineman β top 76% of all 4,642 ranked at the position. 2 of 3 seasons cleared the replacement bar, by +6 on average.See board β
Seasons above replacement
2 seasons Γ ~6 surplus β VORP 12
The full season-by-season grids, joined on one timeline. Every selected stat family stays visible at onceβno tab hopping.
| Season | Age | Team | G | GS | Defense | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Tkl | Solo | Ast | TFL | QBHits | Sk | Dis | Int | PD | FF | FR | TD | Sfty | |||||
| 2007 | β | LA | 11 | β | 25 | 19 | 6 | 0 | 2 | 2.0 | 4.0 | 0 | 0 | 3 | 1 | 0 | 0 |
| 2008 | β | LA | 14 | β | 26 | 18 | 8 | 4 | 1 | 0.0 | 5.0 | 0 | 1 | 0 | β | 0 | 0 |
| 2009 | β | LA | 16 | β | 40 | 33 | 7 | 9 | 2 | 1.0 | 12.0 | 0 | 1 | 0 | β | 0 | 0 |
| 2010 | β | LA | 1 | β | 0 | 0 | 0 | 0 | 0 | 0.0 | 0.0 | 0 | 0 | 0 | 2 | 0 | 0 |
| Career | β | 42 | β | 91 | 70 | 21 | 13 | 5 | 3.0 | 21.0 | 0 | 2 | 3 | 3 | 0 | 0 | |
A solid career by KV-H: a remarkably steady profile that scores 44 of 100, era-normalized against sacks/g peers across 3 scored seasons, with a short career trimming the score.
Blend 51 Γ longevity 0.86 = KV-H 44Β· confidence 100%
Season-by-season quality (era-relative sacks/g)
Reached 2% of the all-time Sacks leader β a rotational/depth all-time profile at the position.
A 0β100 scale where 100 = matched the all-time leaderat this position. Built only from visible encyclopedia data β career production vs. the all-time leader, plus efficiency (EPA) and comparable-player confidence β so it's a transparent context score, not a subjective rating. Tiers: Elite β₯ 85 Β· Strong β₯ 65 Β· Solid β₯ 45 Β· Depth < 45. Comparable-player confidence: 92%.
Amber = this player (normalized to own peak). Indigo = average defensive linemen aging curve. Group peak age: 25. Source: StatVault KV-H era (1999+).
Percentiles compare each raw measurement against position peers, the full combine pool, and the same draft class where enough samples exist.
College stats are not imported for this profile yet.
StatVault has the verified college attribution (Michigan State), but no parsed college box-score table is present in this profile artifact. The section stays here so every profile has a consistent college-stats landing point without fabricating unavailable rows.
Career teammates and draft class, derived from year-by-year rosters β every name is linked.
Clifton inherited the Los Angeles Rams DL room from Victor Adeyanju (2006β2009), and handed it to James Hall (2007β2011).
Statistical + physical similarity across every player in the database, position-relevant (0β100%).
Last recorded season with LA
Drafted by LA β Round 5, Pick 154
From nflverse weekly injury reports Β· coverage begins 2009.
| Season | Team | Games Out | Designations |
|---|---|---|---|
| 2010 | STL | 2 | W2QuestionableΒ· (Migraines)W3DoubtfulΒ· MigrainesW4OutΒ· migrainesW5QuestionableΒ· migrainesW7OutΒ· (migraines) |
StatVault's proprietary player intelligence, informed by full career data. How Knox works β
Era-normalized career quality β z-scored against 3-season peers. See all β
Career durability β games played vs. scheduled, across 4 seasons.
Sacks translated to the 2025NFL β each season's standing among its own-era peers, projected onto 2025's scoring environment. Modern-era (1999+) coverage.
| Season | Actual Sacks | Sacks/G | β 2025 Sacks | β 2025 /G |
|---|---|---|---|---|
| 2007 | 2 | 0.2 | 3+1 | 0.2 |
| 2008 | 0 | 0 | 0 | 0 |
| 2009 | 1 | 0.1 | 1 | 0.1 |
Data: nflverse:players, nflverse:player_stats_def, nflverse:combine, nflverse:draft_picks, nflverse:injuries Β· multi-source verified via the StatVault Oracle Β· updated 6/18/2026
Career Value Β· VORP
12 career value over replacement β #3486 all-time of 4,642. 4/season above a replacement-level DL.
Pick #154 (Rd 5) Β· LA Β· 2007 Β· +11 vs expected KV-H
Fan Rating
Rate Clifton Ryan β All-Time
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Composite score across availability, IR frequency, and injury severity. See all β
The room is reconstructed from arrival order among durable members (β₯4 seasons with the club) at the playerβs position group β a lineage by arrival, not a week-by-week depth chart. Distinct from the league-wide positional GOAT torch.
Steve McLendon
NT
90% match
2007 Draft ClassmatesFull class β
Gave the Los Angeles Rams an entire corpus-attributed career β 4 seasons (2007β2010), one crest. The rarest loyalty in the sport.