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: $91.1m

Total AFV

Total Surplus

Total Salary

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Stats & Information

AgeLevelP1P2AvailabilityYearsAFVSalarySurplusLowMedianHighFangraphs.com URL
26MajorsSPLow5163.872.791.172.991.1109.3

Recent Trades with George Kirby

Tigers GET

George Kirby

91.1

91.1

103.3

12.20

Mariners GET

Fernando Tatis, Jr.

132.8

Spencer Torkelson

32.8

165.60

141.40

-24.20

Padres GET

Andres Munoz

50.3

Tarik Skubal

70.5

120.8

132.8

12.00

Ms. Dajuba

Tigers GET

George Kirby

91.1

Emerson Hancock

3.8

Gabe Speier

9.3

Total Value

104.20

Mariners GET

Tarik Skubal

70.5

Spencer Torkelson

32.8

Total Value

103.3

Ms. Dajuba

Mariners GET

Austin Hays

9.6

Anthony Santander

4.4

Jackson Holliday

68.9

Total Value

82.9

Orioles GET

Dylan Moore

1.4

George Kirby

91.1

Total Value

92.5

Boy Howdy

Red Sox GET

George Kirby

91.1

Total Value

91.1

Mariners GET

Jarren Duran

34

Tanner Houck

22.1

Nick Yorke

13.3

Josh Winckowski

9.1

Wilyer Abreu

7.8

Total Value

86.3

Oleary25

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