MLB Statistical Leaderboards
Career and single-season records from 1871 to 2026
Browse comprehensive statistical leaderboards covering all facets of Major League Baseball performance. Each leaderboard covers the full history of MLB from 1871 through the 2026 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 that season's league average, weighted by plate appearances with a small durability bonus. Learn more about PIV methodology →
Batter PIV
Career and single-season PIV leaders for position players from 1901 to 2026.
Pitcher PIV
Career and single-season pitcher PIV leaders — measuring pitching dominance from 1901 to 2026.
BY POSITION
All-time leaders at each defensive position in MLB history, ranked by career games played at the position.
MORE LEADERBOARDS
How to read the leaderboards
Every board on this page is generated from the season tables, which run from 1871 through 2026. Career boards add up each player's seasons; single-season boards rank individual seasons, so one player can appear several times. Rate stats such as batting average and ERA need a minimum workload to qualify, and each board states the rule it applies directly under its title.
Two views exist for the traditional statistics. The default boards follow the long-standing record book: American and National League play plus the other historical major leagues, with Negro Leagues seasons left out. The combined boards, linked from each default board, follow MLB's current official record and fold in the Negro Leagues seasons, with the qualification prorated for their shorter schedules. Because of that choice, a player who played in both can show a different career total on a default board than on the player's own profile, where every major league season is included.
PIV boards rank the site's own era-adjusted offense and run-prevention measures, computed from completed seasons only. The position pages rank players by games played at each position.
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).
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). The board qualifies at a minimum of 3,000 career at-bats.
What is the single-season home run record in MLB?
Barry Bonds set the single-season home run record in 2001 with 73 home runs. Next on the board are Mark McGwire (70 in 1998) and Sammy Sosa (66 in 1998).
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 that season's league average, using weighted on-base average (wOBA) re-anchored every year so dead-ball, steroid-era and modern players are each judged against their own contemporaries.
How far back do these leaderboards go?
All leaderboards cover Major League Baseball history from 1871 through the 2026 season. PIV leaderboards begin in 1901 and are computed through 2025. Data comes from the Lahman Baseball Database through 2025, with live 2026 data from the MLB Stats API, updated October 24, 2026.