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 2027, Remaining surplus: $79.9m

Total AFV

Total Surplus

Total Salary

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Stats & Information

AgeLevelP1P2AvailabilityYearsAFVSalarySurplusLowMedianHighFangraphs.com URL
30Majors2BOFLow4.4145.665.779.96479.995.9

Recent Trades with Ketel Marte

Yankees GET

Michael Kopech

-1

Ketel Marte

74.9

Paul Sewald

0

Joe Mantiply

8.3

82.2

84.3

2.10

White Sox GET

Will Warren

8.7

Spencer Jones

32.5

Chase Hampton

9.7

George Lombard

11.1

62

60.1

-1.90

Diamondbacks GET

Garrett Crochet

61.1

Clayton Beeter

1.9

Brock Selvidge

4.8

Luis Serna

2

Agustin Ramirez

8

Jared Serna

5.6

83.4

83.2

-0.20

AC153

Yankees GET

Michael Kopech

-1

Ketel Marte

74.9

Paul Sewald

0

Joe Mantiply

8.3

82.2

82.7

0.5

White Sox GET

Will Warren

8.7

Spencer Jones

32.5

Chase Hampton

9.7

George Lombard

11.1

62

61.5

-0.5

Diamondbacks GET

Tommy Pham

1.4

Gleyber Torres

1.4

Garrett Crochet

61.1

Brock Selvidge

4.8

Brando Mayea

8.9

Jared Serna

5.6

83.2

83.2

0

AC153

Yankees GET

Michael Kopech

-1

Ketel Marte

74.9

Paul Sewald

0

Edgar Quero

20.9

94.80

94.70

-0.10

White Sox GET

Will Warren

8.7

Agustin Ramirez

8

Spencer Jones

32.5

Chase Hampton

9.7

Brando Mayea

8.9

George Lombard

11.1

78.90

81

2.10

Diamondbacks GET

Everson Pereira

6.8

Garrett Crochet

61.1

Brock Selvidge

4.8

Kyle Carr

4.2

76.9

74.9

-2

AC153

Yankees GET

Ketel Marte

74.9

Paul Sewald

0

Total Value

74.9

Diamondbacks GET

Will Warren

8.7

Spencer Jones

32.5

Chase Hampton

9.7

Brando Mayea

8.9

George Lombard

11.1

Kyle Carr

4.2

Total Value

75.10

AC153

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