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.

Ketel Marte

Diamondbacks

Player Value Timeline

Future Trade Value

Ketel Marte: Current Control through 2030, Remaining surplus: $99.8m

Total AFV

Total Surplus

Total Salary

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Stats & Information

AgeLevelP1P2AvailabilityYearsAFVSalarySurplusLowMedianHighFangraphs.com URL
31Majors2BOFLow5.6198.598.799.879.999.8119.8

Recent Trades with Ketel Marte

Diamondbacks GET

Roderick Arias

8.2

Elmer Rodriguez-Cruz

5.2

Will Warren

29.8

Spencer Jones

10.2

Bryce Cunningham

9.9

Total Value

63.30

Yankees GET

Ketel Marte

99.8

Eduardo Rodriguez

-26.8

Total Value

73

JonahS23

Phillies GET

Ketel Marte

99.8

A.J. Puk

1.7

Total Value

101.5

Diamondbacks GET

Bryson Stott

14.8

Andrew Painter

53.5

Aidan Miller

35.6

Total Value

103.9

Abrown222213

Astros GET

Lourdes Gurriel Jr.

-1.1

Ketel Marte

95.8

Eduardo Rodriguez

-32

Brandon Pfaadt

-15.7

47

44.2

-2.80

Diamondbacks GET

Owen Caissie

12.2

Brandon Walter

12.1

Jacob Melton

13.1

Zach Dezenzo

9.9

Jaxon Wiggins

5.4

Walker Janek

9.1

61.80

63.9

2.10

Cubs GET

Zac Gallen

6.1

Merrill Kelly

5.8

Cash

5

16.9

17.6

0.70

jsat38

Diamondbacks GET

Jeff McNeil

-16

Tylor Megill

25.5

Mark Vientos

29

Ryan Clifford

8.2

Total Value

46.7

Mets GET

Ketel Marte

76

Eduardo Rodriguez

-33.4

Eugenio Suarez

4.7

Total Value

47.30

ej1207

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