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: $57m

Total AFV

Total Surplus

Total Salary

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Stats & Information

AgeLevelP1P2AvailabilityYearsAFVSalarySurplusLowMedianHighFangraphs.com URL
27MajorsSPLow389.632.75745.65768.4

Recent Trades with George Kirby

Mariners GET

Jose Ramirez

54.7

Total Value

54.7

Guardians GET

George Kirby

63.7

Total Value

63.7

jackmanchewie

Giants GET

George Kirby

60.5

Total Value

60.5

Mariners GET

Bryce Eldridge

57.2

Total Value

57.2

Ms. Dajuba

Mariners GET

Ketel Marte

96.4

Tyler Soderstrom

25.3

121.7

119.90

-1.80

Athletics GET

Slade Caldwell

14.9

Jurrangelo Cijntje

15.8

30.70

28.6

-2.10

Diamondbacks GET

George Kirby

62.3

Darell Hernaiz

3.3

Michael Arroyo

22.1

Felnin Celesten

19.7

107.40

111.30

3.90

Twadds

Mariners GET

Ketel Marte

96.4

Tyler Soderstrom

25.3

Brandon Pfaadt

5.1

126.8

128.5

1.70

Athletics GET

Ryan Bliss

1.3

Druw Jones

8.2

Brandyn Garcia

2.7

Slade Caldwell

14.9

27.1

25.3

-1.80

Diamondbacks GET

Luke Raley

7.3

George Kirby

62.3

Michael Arroyo

22.1

Felnin Celesten

19.7

Jurrangelo Cijntje

15.8

127.2

127.3

0.10

Twadds

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