Glossary - Seamheads Negro Leagues Database

Glossary

Glossary Links
Baseball-Reference FanGraphs SABR Guide Wikipedia The Hardball Times
MLB.com Baseball Prospectus ESPN Sabermetrics (Wiki) Baseball-Almanac

Batting Statistics

Counting Stats

G = Games
PA = Plate Appearances (AB + BB + HBP + SH + SF)
AB = At Bats
R = Runs Scored
H = Hits
2B = Doubles
3B = Triples
HR = Home Runs
RBI = Runs Batted In
SB = Stolen Bases
CS = Caught Stealing
BB = Bases on Balls or Walks
K = Strikeouts
IBB = Intentional Walks
HBP = Hit By Pitches
SH = Sacrifice Hits
SF = Sacrifice Flies
DP = Double Plays

Rate Stats

BA = Batting Average (H / AB)
OBP = On Base Percentage ((H + BB + BHP) / (AB + BB + HBP + SF))
SLG = Slugging Percentage ((H + 2B + 3B * 2 + HR * 3) / AB)
OPS = On Base Plus Slugging (OBP + SLG)
OPS+ = Adjusted OPS ((SLG / lgSLG + OBP / lgOBP - 1) * 100)
wOBA = Weighted On Base Average (Formula)
BB% = Walk Percentage (BB / PA)
K% = Strikeout Percentage (K / PA)
BB/K = Walks per Strikeout (BB / K)
HR% = Home Run Percentage (HR / PA)
ISO = Isolated Slugging ((2B + 3B * 2 + HR * 3) / AB)


If you have any questions regarding Negro Leagues statistical or biographical data, please contact gary@seamheads.com. For any other questions/comments/suggestions, please contact the web developer at BaseballGauge@gmail.com.

All biographical data, copyright 2011-2018 Gary Ashwill.

Playing statistics for 1887-1922 and 1926-1938, as well as all Cuban League games (1902-1928) and Negro League vs. Major League games (1887-1944), copyright 2011-2018 Gary Ashwill.

Playing statistics for 1923 (except Negro League vs. Major League games), copyright 2011-2018 Patrick Rock.

Playing statistics for 1933 and 1943, copyright 2013-2018 Scott Simkus.

Playing statistics for 1924-1925, 1939-1942, and 1944-1946 Negro Leagues (not including Cuban League and Negro League vs. Major League games), copyright 2011-2018 Larry Lester, Wayne Stivers, Gary Ashwill.


Defensive Regression Analysis data used here was obtained with permission from Michael Humphreys, author of Wizardry

Win Shares are calculated using the formula in the book Win Shares by Bill James