MLB Farm Systems Ranked by Surplus fWAR

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You smell that? It’s baseball’s prospect-list season. The fresh top-100 lists — populated by new names as well as old ones — seem to be popping up each day. With the individual rankings coming out, some organization rankings are becoming available, as well. I have always regarded the organizational rankings as subjective — and, as a result, not 100% useful. Utilizing the methodology I introduced in my article on prospect evaluation from this year’s Hardball Times Annual, however, it’s possible to calculate a total value for every team’s farm system and remove the biases of subjectivity. In what follows, I’ve used that same process to rank all 30 of baseball’s farm systems by the surplus WAR they should generate.

I provide a detailed explanation of my methodology in the Annual article. To summarize it briefly, however, what I’ve done is to identify WAR equivalencies for the scouting grades produced by Baseball America in their annual Prospect Handbook. The grade-to-WAR conversion appears as follows.

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My thoughts:

Boston has the best system by this measure, with some heavy hitters at the top: both Yoan Moncada and Anderson Espinoza feature 70 grades, while Rafael Devers and Andrew Benintendi earn 65s. The second-ranked Dodgers were the only other team with two 70-grade prospects.
Three distinct tiers exist: one ranging from 33.5 WAR to 37.0 WAR (six teams) and another from 25 WAR to 28.5 WAR (nine teams). The final one covers 11.0 to 15.5 WAR (seven teams). These three tiers make up 22 of the teams with the other teams sprinkled in-between.
I had to check the Angels system a couple times to see if it is this bad. They only have one player graded at 55. The Cubs, by comparison, have nine.
It was necessary this year for an organization to employ at least one 65 or higher-graded player to have a top-half farm system. The top 17 ranked systems had one such player, the bottom 13 didn’t.
Some preseason contenders — the Red Sox, Dodgers, Rangers, Astros, and Nationals — have the system depth to go get a decent player at the trade deadline. Other teams like the Angels, Tigers, Diamondbacks, and White Sox just don’t have as many pieces to trade.

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