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: $68.4m

Total AFV

Total Surplus

Total Salary

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Stats & Information

AgeLevelP1P2AvailabilityYearsAFVSalarySurplusLowMedianHighFangraphs.com URL
28MajorsSPLow399.531.168.454.768.482.1

Recent Trades with George Kirby

Pirates GET

George Kirby

68.4

Jacob Misiorowski

61.6

Jett Williams

19.6

Cooper Pratt

18.1

Brandon Sproat

23

Luis Pena

15.1

205.8

204.5

-1.30

Brewers GET

Paul Skenes

140.2

140.2

139.70

-0.50

Mariners GET

Oneil Cruz

29.9

Carmen Mlodzinski

16.3

Spencer Horwitz

18.1

Brock Wilken

2.3

66.60

68.4

1.80

rymac31

Red Sox GET

George Kirby

68.4

Total Value

68.4

Mariners GET

Wilyer Abreu

32.3

Payton Tolle

36.7

Total Value

69

jackmanchewie

Padres GET

George Kirby

68.4

Dominic Canzone

12.3

Lazaro Montes

22.9

Felnin Celesten

16.9

Total Value

120.50

Mariners GET

Jackson Merrill

188.6

Total Value

188.6

MyOhMy

Mariners GET

Kyle Bradish

50.9

Jordan Westburg

43.8

Total Value

94.70

Orioles GET

George Kirby

68.4

Lazaro Montes

22.9

Ben Williamson

7.7

Total Value

99.00

Twadds

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