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: $69.1m

Total AFV

Total Surplus

Total Salary

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Stats & Information

AgeLevelP1P2AvailabilityYearsAFVSalarySurplusLowMedianHighFangraphs.com URL
32Majors2BDHLow5149.380.269.155.369.182.9

Recent Trades with Ketel Marte

Mariners GET

Ketel Marte

69.1

A.J. Puk

1.2

Total Value

70.3

Diamondbacks GET

Cole Young

26.3

Felnin Celesten

16.9

Ben Williamson

8.8

Logan Evans

8.4

Yorger Bautista

9.3

Total Value

69.7

jackmanchewie

Diamondbacks GET

Edward Cabrera

27.6

Max Meyer

16.3

Joe Mack

25

Total Value

68.9

Marlins GET

Ketel Marte

69.1

Total Value

69.1

degreat48

Diamondbacks GET

Braxton Ashcraft

30

Jared Triolo

19.5

Jared Jones

14.9

Total Value

64.4

Pirates GET

Ketel Marte

69.1

Total Value

69.1

degreat48

Diamondbacks GET

Noelvi Marte

15.1

Nick Lodolo

30.8

Cam Collier

9.3

Tyson Lewis

11.6

Total Value

66.8

Reds GET

Ketel Marte

69.1

Jake McCarthy

0.2

Total Value

69.3

degreat48

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