MLB Statistical Leaderboards
Career and single-season records from 1871 to 2025
Browse comprehensive statistical leaderboards covering all facets of Major League Baseball performance. Each leaderboard covers the full history of MLB from 1871 through the 2025 season, drawing on the Lahman Baseball Database. Career leaderboards show cumulative totals; single-season leaderboards rank the greatest individual seasons in history.
BATTING
Home Runs
All-time MLB leaders in career and single-season home run totals, from Babe Ruth to Barry Bonds.
Batting Average
Career batting average leaders from Ty Cobb to Tony Gwynn, and the greatest single-season averages.
PITCHING
ERA
Single-season earned run average leaders, including Bob Gibson's historic 1.12 ERA in 1968.
Strikeouts
Career and single-season strikeout leaders, from Walter Johnson to Nolan Ryan to Gerrit Cole.
Wins
Career and single-season pitching win leaders from Cy Young to modern aces.
PLAYER IMPACT VALUE (PIV)
PIV (Player Impact Value) is Baseball Data Hub's proprietary metric measuring overall offensive contribution relative to league average, adjusted for park factors. Learn more about PIV methodology →
Batter PIV
Career and single-season PIV leaders for position players from 1901 to 2025.
Pitcher PIV
Career and single-season pitcher PIV leaders — measuring pitching dominance from 1901 to 2025.
BY POSITION
All-time leaders at each defensive position in MLB history, ranked by career games played at the position.
MORE LEADERBOARDS
FREQUENTLY ASKED QUESTIONS
Who has hit the most home runs in MLB history?
Barry Bonds holds the all-time MLB career home run record with 762, followed by Hank Aaron (755) and Babe Ruth (714). See the complete career home run leaderboard.
Who has the highest career batting average in MLB history?
Ty Cobb holds the all-time career batting average record at .366, followed by Rogers Hornsby (.358) and Shoeless Joe Jackson (.356). See the career batting average leaders.
What is the single-season home run record?
Barry Bonds set the single-season home run record in 2001 with 73. Mark McGwire (70 in 1998, 65 in 1999) and Sammy Sosa (66 in 1998) also surpassed Roger Maris's record of 61 set in 1961. See the single-season home run leaders.
What is PIV and how is it different from WAR?
PIV (Player Impact Value) is Baseball Data Hub's proprietary offensive impact metric. Unlike WAR (Wins Above Replacement), PIV focuses exclusively on offensive contribution relative to league average, accounting for on-base percentage, slugging, and park factors. Read the full PIV methodology →
How far back do these leaderboards go?
All leaderboards cover Major League Baseball history from 1871 through the 2025 season. PIV leaderboards begin in 1901. Data is sourced from the Lahman Baseball Database with supplemental live 2025 data from the MLB Stats API.