The WAR data streams running our game have been further optimized. You can find a comparison chart of all the different types of WAR and how they are calculated here.
We're using Baseball Prospectus' stat service so the stats you'll want to be familiar with are "Batter Wins Above Replacement Player" and "Pitcher Wins Above Replacement Player" or BWARP and PWARP. Wins Above Replacement Player is Prospectus' attempt at capturing a player' total value. This means considering playing time, position, batting, baserunning, and defense for batters, and role, innings pitched, and quality of performance for pitchers. Here is an example of the Wins Above Replacement Player spectrum based on the 2016 season: Excellent - Mookie Betts 10.3 Great - Jonathan Villar 4.75 Average -Scooter Gennett 2.03 Poor - Stephen Vogt 0.57 Horrendous - A.j. Pierzynski -1.78 Perhaps no sabermetric theory is more abstract than that of the replacement-level player. Essentially, replacement-level players are of a caliber so low that they are always available in the minor leagues because the players are well below major-league average. Prospectus' definition of replacement level contends that a team full of such players would win a little over 50 games. This is a notable increase in replacement level from previous editions of Wins Above Replacement Player. WARP components can be found in this article, which also describes 2015 changes to FRAA. We'll be using BWARP and PWARP. BWARP is merely the battter's WAR which they earn as while hitting and fielding. PWARP is the Pitchign side which relies on Deserved Run Average (DRA). DRA needs a week or two to get started each year but is up and running for good by May, and often well before. Deserved Run Average (DRA) uses a collection of mixed models to tease out the most likely contributions of pitchers to the run-scoring that occurs around them. Unlike other component metrics, DRA considers (and adjusts) home runs and balls in play, and achieves significant improved reliability over the raw versions of those and other statistics.
So what exactly does that LOOK LIKE?! If you want to see BWARP and PWARP in action, check out the following 2016 datastreams and how your favorite players stacked up:
PWARP BWARP Final Note: The game now uses scores a players contributions in both. We wanted to ensure that you get Madison Bumgarner's hitting contribution (an additional .87 WAR last year) if you draft him. Unfortunately, it also means when your position player gets called up to pitch, you'll get his likely negative impacts as well. For example, I was baffled to see Miguel Montero earned a -.1 in PWARP last year. Turns out, he got the call out of the pen. "The Citi Field scoreboard registered Miguel Montero's pitches as changeups. Actually, they were two-seam fastballs. " MORE FROM Fantasy Baseball WAR:
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April 2017
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