In baseball statistics, total bases (TB) is the number of bases a player has gained with hits. It is a weighted sum for which the weight value is 1 for a single, 2 for a double, 3 for a triple and 4 for a home run. Only bases attained from hits count toward this total. Reaching base by other means (such as a base on balls) or advancing further after the hit (such as when a subsequent batter gets a hit) does not increase the player's total bases.
The total bases divided by the number of at bats is the player's slugging average.
Hank Aaron is the career leader in total bases with 6,856. Albert Pujols (6,211), Stan Musial (6,134), and Willie Mays (6,080) are the only other players with at least 6,000 career total bases.
As of March 29, 2024, no active players are in the top 100 for career total bases. The active leader is current free agent Joey Votto in 133rd with 3,706.
Rank | Rank amongst leaders in career total bases. A blank field indicates a tie. |
Player (2024 TBs) | Number of total bases during the 2024 Major League Baseball season |
TB | Total career total bases |
* | Denotes elected to National Baseball Hall of Fame. |
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Bold | Denotes active player. [lower-alpha 1] |
In baseball statistics, slugging percentage (SLG) is a measure of the batting productivity of a hitter. It is calculated as total bases divided by at-bats, through the following formula, where AB is the number of at-bats for a given player, and 1B, 2B, 3B, and HR are the number of singles, doubles, triples, and home runs, respectively:
Rickey Nelson Henley Henderson is an American former professional baseball left fielder who played 25 seasons in Major League Baseball (MLB) for nine teams from 1979 to 2003, including four separate tenures with his original team, the Oakland Athletics. Nicknamed "the Man of Steal", he is widely regarded as baseball's greatest leadoff hitter and baserunner. He holds MLB records for career stolen bases, runs, unintentional walks and leadoff home runs. At the time of his last major league game in 2003, the ten-time American League (AL) All-Star ranked among the sport's top 100 all-time home run hitters and was its all-time leader in walks. In 2009, he was inducted to the Baseball Hall of Fame on his first ballot appearance.
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Secondary average, or SecA, is a baseball statistic that measures the sum of extra bases gained on hits, walks, and stolen bases depicted per at bat. Created by Bill James, it is a sabermetric measurement of hitting performance that seeks to evaluate the number of bases a player gained independent of batting average. Unlike batting average, which is a simple ratio of base hits to at bats, secondary average accounts for power, plate discipline (walks), and speed. Secondary averages have a higher variance than batting averages.
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In baseball, batting average (BA) is determined by dividing a player's hits by their total at-bats. It is usually rounded to three decimal places and read without the decimal: A player with a batting average of .300 is "batting three-hundred". If necessary to break ties, batting averages could be taken beyond the .001 measurement. In this context, .001 is considered a "point", such that a .235 batter is 5 points higher than a .230 batter.
In baseball statistics, total bases is the number of bases a player gains with hits. It is a weighted sum with values of 1 for a single, 2 for a double, 3 for a triple and 4 for a home run. For example, three singles is three total bases, while a double and a home run is six total bases.