General manager for the Mariners (2015–2015).
1 seasons with salary-era data across 1 stint. All figures are franchise-level outcomes during the tenure, not solely attributable to one executive.
| Team | Role | Years | Szns | WAB | WAB/yr | TAB | WAR surp | HG | Trade | FA | R5 | AcqLev | W-L% | PO | Pen | WS | Surp $M |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ▸ Mariners | GM | 2015–2015 | 1 | -6.3 | -6.25 | -8.1 | -12.8 | -0.2 | -19.2 | -4.8 | +0.0 | 0.48 | 0.469 | – | – | – | -40 |
| Career total (1985+ data) | 1 | -6.3 | -8.1 | -12.8 | -0.2 | -19.2 | -4.8 | +0.0 | 0.48 | 0.469 | – | – | – | -40 | |||
Acquired minus surrendered / signed minus walked.
Every roster slot ranked best→worst by WAR, averaged across Jeff Kingston's seasons. Bars = his rosters; the black line = the league-average player at each slot. Staying above the line deep into the roster is the depth edge.
| Player | Pos | Team | How | Year | Szns | fWAR | WAR/yr | Lev |
|---|---|---|---|---|---|---|---|---|
| Nelson Cruz | DH/OF | SEA | Trade | 2015 | 4 | +16.1 | +4.0 | 2.1 |
| Seth Smith | OF | SEA | Trade | 2015 | 2 | +2.7 | +1.3 | 0.9 |
| Nate Karns | P | SEA | Trade | 2015 | 1 | +1.4 | +1.4 | 4.1 |
| Nori Aoki | OF | SEA | Free agency | 2015 | 1 | +1.3 | +1.3 | 3.7 |
| Austin Jackson | OF | SEA | Trade | 2015 | 1 | +1.2 | +1.2 | 0.9 |
| J. A. Happ | P | SEA | Trade | 2015 | 1 | +1.2 | +1.2 | 0.6 |
| Tony Zych | P | SEA | Trade | 2015 | 3 | +1.1 | +0.4 | – |
| Steve Cishek | P | SEA | Free agency | 2015 | 1 | +1.0 | +1.0 | 2.9 |
| Anthony Misiewicz | P | SEA | Draft | 2015 | 2 | +0.9 | +0.4 | – |
| Shawn O'Malley | SS/OF | SEA | Free agency | 2015 | 2 | +0.5 | +0.2 | 0.2 |
| Mark Trumbo | 1B/DH/OF | SEA | Trade | 2015 | 1 | +0.5 | +0.5 | 0.3 |
| Evan Scribner | P | SEA | Trade | 2015 | 1 | +0.3 | +0.3 | 1.3 |
| Mike Montgomery | P | SEA | Trade | 2015 | 2 | +0.2 | +0.1 | – |
| Vidal Nuño | P | SEA | Trade | 2015 | 2 | +0.1 | +0.0 | 0.0 |
| Art Warren | P | SEA | Draft | 2015 | 1 | +0.1 | +0.1 | – |
| Jonathan Aro | P | SEA | Trade | 2015 | – | -0.0 | – | – |
| Adam Lind | 1B/DH | SEA | Trade | 2015 | – | -0.1 | – | – |
| Andrew Moore | P | SEA | Draft | 2015 | – | -0.1 | – | – |
| Ljay Newsome | P | SEA | Draft | 2015 | – | -0.1 | – | – |
| Donn Roach | P | SEA | Free agency | 2015 | – | -0.1 | – | – |
| Adrian Sampson | P | SEA | Trade | 2015 | – | -0.1 | – | – |
| Rickie Weeks | 2B | SEA | Free agency | 2015 | – | -0.6 | – | – |
| Chris Iannetta | C | SEA | Free agency | 2015 | – | -0.7 | – | – |
| Braden Bishop | OF | SEA | Draft | 2015 | – | -0.9 | – | – |
WAB = wins above what the team's payroll predicted (resource-controlled). WAR surplus = era-neutral value (WAR minus payroll in win-equivalents). Roster surplus $M = dollar value of WAR over cost. Build channels (realized fWAR): HG = home-grown via amateur draft / international signing; Trade = acquired minus surrendered (incl. purchases/waivers); FA = signed minus walked; R5 = Rule-5 / minor-league-draft pickups. Credit follows the acquisition year — home-grown to the regime at the player's draft/signing (not whoever was in the chair when he peaked), trade/FA/R5 to the GM who made the move. Players acquired as prospects before debuting (e.g. Smoltz, Bagwell; Rule-5 picks like Uggla) are counted as trade/R5, not home-grown. All are franchise-level outcomes during the stint, not solely attributable to one executive.