https://www.sciencedaily.com/releases/2018/07/180723142923.htm

The key to WARP's popularity is it distills all these factors into a universal estimate of value expressed in the number of wins a player is worth to his team if they were injured and had to be replaced by a freely available minor league player (in fact, a composite baseline minor leaguer). Created by the sabermetric baseball community, WARP plays a decisive role when it comes to voting on annual awards, such the MVP, Cy Young or Silver Slugger.

But does it actually measure -- or even roughly estimate -- player value?