Marcus Robertson is a career quality starter β a defensive back whose body of work places Robertson in the top quarter of all players at the position historically. The Knox model values sustained contribution over flash, and Robertson's career arc reflects exactly that kind of reliable professional-grade performance.
A high-end defensive back defined as much by excellent availability over their career as by their on-field impact (top 20% all-time). Coaches and teammates could count on them being available.
Worth 116 points of value above a freely-available replacement safety β top 21% of all 4,642 ranked at the position. 7 of 10 seasons cleared the replacement bar, by +16.6 on average.See board β
Seasons above replacement
7 seasons Γ ~16.6 surplus β VORP 116
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 | |||||
| 1991 | β | TEN | 16 | β | 33 | 0 | β | β | β | 1.0 | 1.0 | β | 2 | 0 | β | β | β |
| 1992 | β | TEN | 16 | β | 77 | 49 | β | β | β | 0.0 | 0.0 | 1 | 5 | 0 | β | β | β |
| 1993 | β | TEN | 13 | β | 81 | 62 | β | β | β | 0.0 | 0.0 | 7 | 12 | 2 | β | β | β |
| 1994 | β | TEN | 16 | β | 113 | 82 | β | β | β | 0.0 | 0.0 | 3 | 6 | 2 | β | β | β |
| 1995 | β | TEN | 2 | β | 3 | 3 | β | β | β | 0.0 | 0.0 | β | 1 | 0 | β | β | β |
| 1996 | β | TEN | 16 | β | 83 | 58 | β | β | β | 0.0 | 0.0 | 4 | 6 | 0 | β | β | β |
| 1997 | β | TEN | 14 | β | 63 | 44 | β | β | β | 0.0 | 0.0 | 5 | 13 | 0 | β | β | β |
| 1998 | β | TEN | 12 | β | 43 | 35 | β | β | β | 0.0 | 0.0 | 1 | 5 | 0 | β | β | β |
| 1999 | β | TEN | 15 | β | 66 | 40 | 26 | 0 | 1 | 0.5 | 1.5 | 1 | 8 | 1 | β | 0 | 0 |
| 2000 | β | TEN | 14 | β | 59 | 49 | 10 | 0 | 0 | 0.0 | 0.0 | 0 | 5 | 3 | 1 | 0 | 0 |
| 2001 | β | SEA | 12 | β | 56 | 41 | 15 | 0 | 0 | 0.0 | 0.0 | 2 | 3 | 0 | β | 0 | 0 |
| 2002 | β | SEA | 15 | β | 62 | 40 | 22 | 2 | 0 | 0.0 | 2.0 | 0 | 4 | 0 | 2 | 0 | 0 |
| Career | β | 161 | β | 739 | 503 | 73 | 2 | 1 | 1.5 | 4.5 | 24 | 70 | 8 | 3 | 0 | 0 | |
| Season | Age | Team | G | GS | Tkl | Solo | Ast | TFL | QBHits | Sk | Dis | Int | PD | FF | FR | TD | Sfty | VAL |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1991 | 22 | TEN | 16 | β | 33 | 0 | β | β | β | 1.0 | 1.0 | β | 2 | 0 | β | β | β | 5.7 |
| 1992 | 23 | TEN | 16 | β | 77 | 49 | β | β | β | 0.0 | 0.0 | 1 | 5 | 0 | β | β | β | 4.4 |
| 1993 | 24 | TEN | 13 | β | 81 | 62 | β | β | β | 0.0 | 0.0 | 7 | 12 | 2 | β | β | β | 13.3 |
| 1994 | 25 | TEN | 16 | β | 113 | 82 | β | β | β | 0.0 | 0.0 | 3 | 6 | 2 | β | β | β | 10.3 |
| 1995 | 26 | TEN | 2 | β | 3 | 3 | β | β | β | 0.0 | 0.0 | β | 1 | 0 | β | β | β | β |
| 1996 | 27 | TEN | 16 | β | 83 | 58 | β | β | β | 0.0 | 0.0 | 4 | 6 | 0 | β | β | β | 8.1 |
| 1997 | 28 | TEN | 14 | β | 63 | 44 | β | β | β | 0.0 | 0.0 | 5 | 13 | 0 | β | β | β | 10.2 |
| 1998 | 29 | TEN | 12 | β | 43 | 35 | β | β | β | 0.0 | 0.0 | 1 | 5 | 0 | β | β | β | 4.9 |
| 1999 | 30 | TEN | 15 | β | 66 | 40 | 26 | 0 | 1 | 0.5 | 1.5 | 1 | 8 | 1 | β | 0 | 0 | 7.4 |
| 2000 | 31 | TEN | 14 | β | 59 | 49 | 10 | 0 | 0 | 0.0 | 0.0 | 0 | 5 | 3 | 1 | 0 | 0 | 7.3 |
| 2001 | 32 | SEA | 12 | β | 56 | 41 | 15 | 0 | 0 | 0.0 | 0.0 | 2 | 3 | 0 | β | 0 | 0 | 5.5 |
| 2002 | 33 | SEA | 15 | β | 62 | 40 | 22 | 2 | 0 | 0.0 | 2.0 | 0 | 4 | 0 | 2 | 0 | 0 | 5 |
| Career | 161 | 739 | 503 | 73 | 2 | 1 | β | β | 24 | 70 | 8 | 3 | 0 | 0 | 82.1 |
A strong starter career by KV-H: a peak-driven profile that scores 67 of 100, era-normalized against int/g peers across 10 scored seasons.
Blend 66.2 Γ longevity 1 = KV-H 67Β· confidence 100%
Season-by-season quality (era-relative int/g)
Reached 11% of the all-time Interceptions 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: 93%.
Amber = this player (normalized to own peak). Indigo = average defensive backs aging curve. Group peak age: 21. Source: StatVault KV-H era (1999+).
College stats are not imported for this profile yet.
StatVault has the verified college attribution (Iowa 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.
Marcus inherited the Tennessee Titans DB room from Steve Jackson (1991β1999), and handed it to Blaine Bishop (1993β2001).
Statistical + physical similarity across every player in the database, position-relevant (0β100%).
Last recorded season with SEA
Joined SEA (from TEN)
Drafted by HOU β Round 4, Pick 102
Joined TEN (from HOU)
StatVault's proprietary player intelligence, informed by full career data. How Knox works β
Era-normalized career quality β z-scored against 10-season peers. See all β
Career durability β games played vs. scheduled, across 12 seasons.
INT 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 INT | INT/G | β 2025 INT | β 2025 /G |
|---|---|---|---|---|
| 1992 | 1 | 0.1 | 0-1 | 0 |
| 1993 | 7 | 0.5 | 6-1 | 0.4 |
| 1994 | 3 | 0.2 | 1-2 | 0.1 |
| 1996 | 4 | 0.3 | 2-2 | 0.1 |
| 1997 | 5 | 0.4 | 4-1 | 0.2 |
| 1998 | 1 | 0.1 | 0-1 | 0 |
| 1999 | 1 | 0.1 | 0-1 | 0 |
| 2000 | 0 | 0 | 0 | 0 |
| 2001 | 2 | 0.2 | 2 | 0.1 |
| 2002 | 0 | 0 | 0 | 0 |
Data: nflverse:players, nflverse:player_stats_def, nflverse:draft_picks, wikipedia:season-stats (CC-BY-SA, facts-only), nfl.com:official-stats (facts-only reference), espn.com:stats-api (games-played, facts-only reference) Β· multi-source verified via the StatVault Oracle Β· updated 6/18/2026
Career Value Β· VORP
116 career value over replacement β #916 all-time of 4,642. 11.6/season above a replacement-level S.
Pick #102 (Rd 4) Β· HOU Β· 1991 Β· +30.2 vs expected KV-H
Fan Rating
Rate Marcus Robertson β All-Time
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Composite score across availability, IR frequency, and injury severity. See all β
Calibrated Hall-of-Fame probability β fit against actual enshrinement. See all β
What carries the case
Monitor score 42.6 Β· components sum to the score (All-Pro Γ12 Β· Pro Bowl Γ3 Β· League Lead Γ4 Β· ranks/era/longevity weighted).
Career Fingerprint
Statistical profile across 5 dimensions
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.
Xavier Woods
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90% match
1991 Draft ClassmatesFull class β