FA RB | Age 23
The risk signal is elevated: AI model spread is 26.
Dynasty Player Comparison
Should you prefer Phil Mafah or Sione Vaki in dynasty? Compare long-term value, Superflex and 1QB pricing, AI consensus, position rank, age, recent market movement, and fit for contenders versus rebuilders.
Updated Sep 8, 2026
Player vs Player
FA RB | Age 23
The risk signal is elevated: AI model spread is 26.

DET RB | Age 25
The risk signal is elevated: AI model spread is 63.
Side-by-side dynasty data
Current Dynasty Spec values
| Category | Phil Mafah | Sione Vaki |
|---|---|---|
| Dynasty Value | 319 | 201 |
| Superflex Value | 297 | 194 |
| 1QB Value | 319 | 201 |
| Overall Rank | #194 | #283 |
| Position Rank | #56 | #83 |
| AI Consensus | 400 | 320 |
| Age | 23 | 25 |
| Recent Movement | Weekly movement unavailable | Weekly movement unavailable |
| Team | FA | DET |
Dynasty Spec Verdict
More Valuable
Phil Mafah
Contender Fit
Phil Mafah
Rebuilder Fit
Phil Mafah
Value Gap
118
Phil Mafah is the more valuable dynasty asset over Sione Vaki by current Dynasty Spec value. The gap is meaningful; ask for a pick or young add-on if moving down.
The gap is meaningful; ask for a pick or young add-on if moving down.
Case for Phil Mafah
Phil Mafah is a FA RB (age 23) with Dynasty Spec rank #194 and RB rank #56. The AI consensus rank #194 with score 400, High Disagreement, and weekly movement unavailable point to a volatile dynasty profile. The risk signal is elevated: AI model spread is 26.
Phil Mafah's team context is free agent at RB. No depth-chart slot is listed in the current snapshot. Roster status: Active. Latest imported season: 2025, 10.9 PPR points and 10.9 fantasy points per game. Projection snapshot: 2026 10.49 projected PPR points.
Market signal: Weekly movement unavailable
Case for Sione Vaki
Sione Vaki is a DET RB (age 25) with Dynasty Spec rank #283 and RB rank #83. The AI consensus rank #283 with score 320, High Disagreement, and weekly movement unavailable point to a volatile dynasty profile. The risk signal is elevated: AI model spread is 63.
Sione Vaki's team context is DET at RB. Depth chart: RB3. Roster status: Active. No imported recent stat line is available in the current snapshot. Projection snapshot: 2026 134.9 projected PPR points.
Market signal: Weekly movement unavailable
Phil Mafah is more valuable by current Dynasty Spec value. Phil Mafah is the more valuable dynasty asset over Sione Vaki by current Dynasty Spec value. The gap is meaningful; ask for a pick or young add-on if moving down.
Phil Mafah is the better contender fit because the profile carries stronger near-term lineup value after position, age, and market value are weighed.
Phil Mafah is the better rebuild fit because the profile has stronger long-term liquidity, age insulation, or format leverage.
The gap is meaningful; ask for a pick or young add-on if moving down.
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