Rankings of Negro League players should consider that Negro League data is not complete. Research is still ongoing and we’ll continue to publish updates as more information becomes available. Negro Leagues Data: Frequently Asked Questions
Major League Batting Leaders
Wins Above Replacement--all
<strong>Wins Above Replacement</strong><br>A single number that presents the number of wins the player added<br>to the team above what a replacement player (think AAA or AAAA) would add.<br>Scale for a single-season: 8+ MVP Quality, 5+ All-Star Quality, 2+ Starter,<br>0-2 Reserve, < 0 Replacement Level <br>Developed by Sean Smith of BaseballProjection.com
WAR Position Players
<strong>Wins Above Replacement for position players</strong><br>A single number that presents the number of wins the player added<br>to the team above what a replacement player (think AAA or AAAA) would add.<br>Scale: 8+ MVP Quality, 5+ All-Star Quality, 2+ Starter,<br>0-2 Reserve, < 0 Replacement Level <br> Developed by Sean Smith of BaseballProjection.com
Offensive WAR
<strong>Offensive Wins Above Replacement (everything but Fielding)</strong><br>The same statistic as Wins Above Replacement for Position<br>Players (WAR), but with the fielding value excluded.<br>oWAR + dWAR does not equal WAR.<br>Adding would count positions twice.<br>Contains the factor for batting stats, baserunning, a positional adjustment, and the replacement player adjustment.<br> Factors developed by Sean Smith of BaseballProjection.com
Defensive WAR
<strong>Defensive Wins Above Replacement for position players</strong><br>A defensive measure of wins above replacement, but given<br>only the defensive stats of the player and his position adjustment. For this calculation, we use a<br>replacement level on defense is the league average.<br>Based on Baseball Info Solutions defensive runs saved from 2003 on<br>and total zone rating developed by Sean Smith of BaseballProjection.com previously
Batting Average
<strong>Hits/At Bats</strong><br>For recent years, leaders need 3.1 PA<br>per team game played<br>Bold indicates either highest BA using current stats<br>or awarded title at end of year.
On-Base%
<strong>(H + BB + HBP)/(At Bats + BB + HBP + SF)</strong><br>For recent years, leaders need 3.1 PA<br>per team game played
Slugging %
Total Bases/At Bats or
(1B + 2*2B + 3*3B + 4*HR)/AB
For recent years, leaders need 3.1 PA
per team game played
On-Base Plus Slugging
<strong>On-Base + Slugging Percentages </strong><br>For recent years, leaders need 3.1 PA<br>per team game played
Games Played
Games Played or Pitched
At Bats
At Bats
Plate Appearances
<strong>Plate Appearances</strong><br>When available, we use actual plate appearances from play-by-play game accounts<br>Otherwise estimated using AB + BB + HBP + SF + SH,<br>which excludes catcher interferences.<br>When <span class=tooltip>this color</span> click for a summary of each PA.
Runs Scored
Runs Scored/Allowed
Hits
Hits/Hits Allowed
Total Bases
<strong>Total Bases</strong><br>Singles + 2 x Doubles + 3 x Triples + 4 x Home Runs.
Doubles
Doubles Hit/Allowed
Triples
Triples Hit/Allowed
Home Runs
Home Runs Hit/Allowed
Runs Batted In
Runs Batted In
Bases on Balls
Bases on Balls/Walks
Strikeouts
Strikeouts
Stolen Bases
Stolen Bases
Singles
Singles Hit/Allowed
Adjusted OPS+
<strong>OPS+</strong><br>100*[OBP/lg OBP + SLG/lg SLG - 1]<br>Adjusted to the player’s ballpark(s)
Runs Created
<strong>Runs Created</strong><br>A set of formulas developed by Bill James and others<br>that estimates a player’s total contributions<br>to a team’s runs total.<br>This is computed with the "technical" formula when possible.<br>If SB or CS data is missing, the "basic" formula is used.<br>If HBP, IBB, SH, SF, or GIDP data is missing, the "stolen base" version of the formula is used. <br>Team Runs Created is the sum of player Runs Created.
Adj. Batting Runs
<strong>Adjusted Batting Runs</strong><br>A set of formulas developed by Gary Gillette, Pete Palmer and others<br>that estimates a player’s total contributions<br>to a team’s runs total via linear weights.<br>0.0 is an avg performance, <0 is worse than avg and >0 is better than avg
Adj. Batting Wins
<strong>Adjusted Batting Wins</strong><br>A set of formulas developed by Gary Gillette, Pete Palmer and others<br>that estimates a player’s total contributions<br>to a team’s wins with his bat.<br>0.0 is an avg performance, <0 is worse than avg and >0 is better than avg
Extra Base Hits
<strong>Extra Base Hits</strong><br>Doubles + Triples + Home Runs
Times On Base
<strong>Times on Base</strong><br>Hits + Bases on Balls + Hit By Pitch<br>Does not include Reached on Error or Catcher Interference.
Offensive Win %
<strong>Offensive Winning Percentage</strong><br>The percentage of games a team with nine of this player<br>batting would win. Assumes average pitching and defense.<br>This uses the Pythagorean win pct formula with the player's RC/G for runs scored and the league's R/9 as runs allowed.
Hit By Pitch
Times Hit by a Pitch.
Sacrifice Hits
Sacrifice Hits (Sacrifice Bunts)
Intentional Bases on Balls
<strong>Intentional Bases on Balls</strong><br>First tracked in 1955.
Caught Stealing
Caught Stealing
Power-Speed #
<strong>Power/Speed Number</strong><br>2 x (Home Runs x Stolen Bases)/(Stolen Bases + Home Runs)<br>The harmonic mean of HR and SB.<br>To do well you need a lot of both.<br>Developed by Bill James.
AB per SO
<strong>At Bats Per Strikeout</strong><br>For career marks this only includes AB’s for seasons where SO’s were tracked.
AB per HR
<strong>At Bats Per Home Run</strong>
Outs Made
<strong>Outs Made</strong><br>(At Bats - Hits) + Double Plays Grounded Into <br>+ Sac. Flies + Sac. Hits + Caught Stealing.
Base-Out Runs Added (RE24)
<strong>Base-Out Runs Added</strong><br>Given the bases occupied/out situation, how many runs did the batter<br> or baserunner add in the resulting play.<br>Compared to average, so 0 is average, and above 0 is better than average
Win Probability Added (WPA)
<strong>Win Probability Added for Offensive Player</strong><br>Given average teams, this is the change in probability<br>caused by this batter during the game.<br>A change of +/- 1 would indicate one win added or lost.
Situ. Wins Added (WPA/LI)
<strong>Situational Wins (WPA/LI)</strong><br>It is the sum of WPA divided by the leverage index for each play.<br>WPA depends greatly on the context of the at bats.<br>This stat does not.
Championship WPA (cWPA)
<strong>Championship Win Probability Added for Offensive Player</strong><br>Given average teams, this is the change in probability, displayed in percentage points.<br>A change of +/- 100% would indicate one world series win added or lost.
Base-Out Wins Added (REW)
<strong>Base-Out Wins Added (REW)</strong><br>This is the number of wins above average the player was worth by their performance measured by the 24 <br>base-out situations across every play in the game.
rOBA
rOBA
A measure of a player's offensive contributions, weighted in proportion to each event's actual run value
Rbat+
Rbat+
Batting runs as computed for WAR, but indexed to the environment the player played in, where 100 is league average.


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