
#12 S · Detroit Lions
Height
5'10"
Weight
195 lbs
Age
25
College
Notre Dame
Draft
Undrafted
Experience
2 yrs
S Rank
#100 / 196
Grade Thomas Harper
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On the field, Thomas Harper grades out as a middling S for Detroit Lions (C Performance). That places him 100th of 196 graded safeties. The money matches the play — the Contract Value Index lands at C, fairly priced. The public read is positive (B- Sentiment), drawn from current news and social signal rather than the box score.
| Year | Team | GP | INT | PD | Tkl |
|---|---|---|---|---|---|
| Career | ![]() | 27 | 2 | 7 | 63 |
| 2025 | ![]() | 12 | 1 | 5 | 37 |
| 2024 | ![]() | 15 | 1 | 2 | 26 |
Updated Jun 19, 2026
Length
3 years
Total Value
$2.8M
Guaranteed
$30K
AAV
$947K/yr
The C Contract Value Index on Thomas Harper's deal stems from how the cap hit lines up against on-field output. At $946,667 annually over three years, Harper's contract is a depth-piece investment — modest in salary but still requiring production justification for a safety with a D-level performance grade and competing upside questions at the position. His 2025 season produced 37 tackles and 1 interception across 12 games, a respectable floor for a role player but not the kind of statistical foundation that commands premium retention or raises expectations for breakout 2026 impact. The CVI reflects the reality that Harper, a second-year undrafted free agent out of Notre Dame, is operating in the fringe-contributor tier where execution consistency and durability matter more than ceiling—and the head injury designation that surfaced during his tenure in Detroit has legitimately tempered organizational confidence in his long-term availability. Media and fan perception of Harper has settled into cautious skepticism, and the Lions' recent secondary signings signal they've moved on without him, a clear organizational vote that he remains a replacement-level depth option rather than a developmental building block. The three-year term is low-risk from a salary standpoint, but Harper's contract value ultimately depends on whether he can cement himself as a consistent starter—a transition that his Lions exit strongly suggests is not imminent.
Other same-position deals the Contract Value Index also places in the C band — a quick read on where Thomas's contract sits relative to comparable money.
Thomas Harper, a second-year safety for the Detroit Lions, remains a developmental prospect showing marginal progress through his first two NFL seasons. Currently graded as a C performer, Harper has logged 27 games while rotating into Detroit's secondary rotation without yet establishing himself as a consistent starter or immediate impact player. At 25 years old, he possesses the age and experience timeline to grow into a meaningful contributor, though his trajectory demands urgent improvement after a difficult 2024 campaign. Harper's current-season film reveals a mixed skill set. He's averaging 3.08 tackles per game, slightly below the NFL average of 3.41 and well short of elite safeties posting 7.78 per contest, suggesting limited box presence and aggressive downhill play. Conversely, his 0.42 passes defensed per game ranks above the NFL average of 0.29, indicating he's more effective in coverage and reactive situations than in run support. His interception rate of 0.08 per game trails the league average of 0.12, underscoring inconsistency in ball production and high-leverage decision-making—a critical gap for a safety tasked with center-field responsibility. Harper's progression from a D-minus grade in 2024 to C-minus this season suggests modest growth, though the foundation remains fragile. The Lions must see consistent week-to-week improvement in tackling volume and ball-hawk instincts before he can project as a long-term starter. His ceiling depends largely on whether he can transform his above-average pass-defense metrics into starter-caliber production across all defensive responsibilities.
Thomas Harper ranks 100th of 196 graded safeties by performance. That slots Thomas between Mike Edwards (C) just ahead and Jaylin Simpson (C) just behind.
Graded higher
Mike EdwardsFree AgentCRobert McdanielWashington CommandersCChamarri ConnerKansas City ChiefsCGraded lower
Jaylin SimpsonGreen Bay PackersThomas Harper enters 2026 as a depth safety with emerging organizational support but limited career credentials to anchor elite perception. Media coverage has shifted decidedly positive, highlighting his offseason dedication to correcting mistakes and a notable strip-sack against Pittsburgh that demonstrates playmaking potential. The Lions' public backing—framing him as a 'hidden gem' with starting-safety upside—suggests internal confidence that exceeds his two-year resume of 2 interceptions and 7 passes defended. However, Harper remains a role player competing for snaps in a crowded secondary, and positive coverage alone cannot elevate a backup into star territory without sustained on-field production. Fan and media perception is cautiously optimistic but contingent on whether he can translate offseason work and highlight plays into consistent starter-level performance during the 2026 season.
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Thomas Harper is a player in his 2nd NFL season listed at S for the Detroit Lions. FanVerdicts covers every NFL player, team, GM, and transaction — and puts your verdict on all of it. Sign in to cast your Fan Verdict on Thomas Harper, see where the crowd lands, and argue the call. FanVerdicts also brings its own read — performance, sentiment, and Contract Value Index — as one honest input alongside the crowd's. Where FanVerdicts has weighed in so far: Contract Value Index C, Performance C, Sentiment B-.
The crowd's Fan Verdict moves in real time as fans vote on this profile. FanVerdicts' own read updates as new data lands — performance recalculates when NFL game stats post, sentiment shifts with media coverage and fan discussion, and the Contract Value Index recomputes when contract terms change. Contract details below show the structure (years, total value, average annual value, guarantees) behind the Contract Value Index read.
For league-wide context, the NFL hub has team rankings, GM report cards, the transactions feed, and live scoreboards. The NFL player rankings page sorts every active player by performance and contract value within their position.
Recent seasons are weighted more heavily in the overall performance grade.
C-
2025
(50% weight)
D-
2024
(30% weight)
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