Want to see what a player’s future trade value will be? Or estimate his free agent or extension contract? You can play around with all kinds of scenarios here if you’re a GM-level subscriber.

Click on the tabs for each scenario. Here's a video showing how the future trade value tab works. And for free agents and extension candidates, use the dropdown to see how the contract would vary by changing the number of years.

Front Office-level subscribers and above can also see a history of past and present trade values. We also visually display our calculations, so you can see the surplus-value gap between field value and salary in each scenario (except for prospects, who have only implied surplus value). And there's a special subscriber-only comment section below each player's data, so you can have an exclusive conversation with other subscribers.

To give you an idea how it works, we’ll always show a featured player for free.

George Kirby

Mariners

Player Value Timeline

Future Trade Value

George Kirby: Current Control through 2028, Remaining surplus: $113.1m

Total AFV

Total Surplus

Total Salary

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Stats & Information

AgeLevelP1P2AvailabilityYearsAFVSalarySurplusLowMedianHighFangraphs.com URL
27MajorsSPLow4150.137113.190.5113.1135.7

Recent Trades with George Kirby

Mariners GET

Nico Hoerner

22.8

Michael Busch

30.3

Ben Brown

18.8

James Triantos

13.7

Total Value

85.60

Cubs GET

Mitch Haniger

-15.5

George Kirby

113.1

Total Value

97.6

trev312

Mariners GET

Triston Casas

28.3

Kutter Crawford

32.1

Jarren Duran

81

Vaughn Grissom

5.1

Total Value

146.5

Red Sox GET

Randy Arozarena

10.1

George Kirby

113.1

Jonny Farmelo

21.7

Total Value

144.90

trev312

Orioles GET

George Kirby

113.1

Total Value

113.1

Mariners GET

Dean Kremer

13.7

Coby Mayo

45.1

Jackson Holliday

55

Total Value

113.8

ShaquilleOatmeal

Nationals GET

Mitch Haniger

-15.5

George Kirby

113.1

97.6

82.1

-15.5

Pirates GET

Josiah Gray

12

Brady House

18.9

30.9

32.3

1.40

Mariners GET

Ke'Bryan Hayes

-2.7

Johan Oviedo

22.2

C.J. Abrams

51.2

Colin Holderman

9.8

Cash

3

83.5

97.6

14.10

Malcontented1

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