What Does LOB Mean in Baseball?

What Does LOB Mean in Baseball?

Have you ever been to a baseball game and heard some commentators use a seemingly strange acronym? If so, then you might have encountered the term ‘LOB’. But what does LOB mean in baseball? As it turns out, this isn’t an uncommon question as many people who follow or play the sport don’t actually know what it stands for! In this blog post, we’ll take a deep dive into understanding exactly what is meant by LOB in terms of terminology within the game and how it is used to gauge player performance. Read on if you want to find out more about this fascinating statistic which helps coaches accurately measure their players’ successes and failures both during practice sessions and games alike.

Left On Base Explained

The evaluation of a baseball player’s skill set is incomplete without factoring in their Left on Base (LOB) statistic. It provides valuable insight into how successful a batter or pitcher was at driving in runs. LOB tells us how many batters and base runners have been left stranded as a result of that particular player’s performance.

The number of LOB for each game is determined by counting up the number of players who are left on base when their team makes its final out. This includes any base runner—including the runner at third base if he has attempted to steal home—who did not score before the last out of the inning.

In most cases, a higher LOB number is an indication of poor performance from the hitter or pitcher. It can be used to gauge how well a team performed at getting runners home and how many opportunities were wasted. That said, LOB numbers do not tell the full story because certain plays—such as sacrifice flies—can lead to a higher LOB number without reflecting poorly on the player’s performance.

Overall, LOB is a useful statistic that can give us insight into the success rate of a batter or pitcher in bringing runners home from base. It’s also important to note that different teams have different strategies when it comes to scoring runs, so comparing players across leagues may not always be accurate.  However, looking at individual performances within their own league can provide valuable insight into how a team has been performing in terms of getting players home. [1]

Left On Base Explained

Examples Of Lob In Baseball

In baseball, the acronym “LOB” stands for “left on base.” It is a statistic used to measure how many base runners were left stranded on base as a result of an out or the end of an inning.

For example, if two runners are on second and third base at the end of the inning, but both are left stranded when the third out is made, then those two runners would be included in the team’s LOB statistic. The number of players left on base can indicate how well a team is performing offensively by measuring its ability to drive home runs.

Another common use of LOB statistics occurs during individual player evaluations. A batter’s LOB rate indicates how often his teammates failed to score when he was on base. If a batter has a high number of LOB, it could mean that he is not getting enough support from the rest of his team’s offense when he reaches base. Conversely, a low LOB rate usually means that the player has been able to generate runs while on base.

In addition to being used as an individual statistic, “LOB” can also be used as part of a team’s overall offensive performance. Teams with higher Left on Base percentages tend to have better run-scoring performances than teams with lower ones. This stat can give coaches and players insight into their offensive successes and failures in order to adjust their strategy accordingly.

Ultimately, “LOB” is an important tool for measuring and evaluating a team’s offensive performance, as well as individual players. It offers an accurate way to measure how successful a team is at generating runs in a game or series of games. By understanding the implications of this statistic, teams can make adjustments to their strategies in order to maximize their run production and improve their overall performance. [2]

How Many Runners Get Left on Base in a Game?

In baseball, runners left on base (LOB) can vary significantly from game to game. Generally speaking, the more runs scored by a team, the more runners they will leave on base. The number of runners left on base is usually higher when a team loses than when they win. Some games may have zero LOB while others may have several in each inning. This statistic helps show how successful a team was at bringing their players around the bases and scoring runs. It also provides insight into how well the opposing pitchers were able to limit offensive production. Ultimately, the goal of every team is to score as many runs as possible with as few runners left on base as possible!

What Are Runners Left On Base?

Runners Left On Base (LOB) is a statistic that measures the number of runners left on base at the end of an inning. It is usually expressed as a percentage, which indicates how often those runners eventually crossed the plate to score. For example, if a team leaves two runners on base in three innings and those base runners were never able to cross home plate, then their LOB rate would be 100%. The lower the LOB rate, the more effective a team’s run-scoring ability. A team’s LOB rate can give insight into its tactical approach; for instance, teams with high LOB rates may rely too heavily on singles and not work enough walks or extra-base hits. Teams with low LOB rates may be more aggressive on the base paths and better able to capitalize on scoring opportunities.

What Are Runners Left On Base?

How Is Left On Base Calculated?

Left on base, or LOB, is calculated by subtracting the number of runs scored in an inning from the total number of runners left stranded. For example, if there are two runners left on base at the end of an inning and no runs were scored during those three outs, then the LOB for that inning would be 2. If one run was scored during that same inning with two runners still left on base, then the LOB would be 1.

This calculation helps to quantify how many opportunities a team had in a given inning to score more runs than they did. A high LOB percentage can indicate a lack of clutch hitting ability or failure to get key hits when needed most. 

Conversely, a low LOB percentage can indicate that a team is capitalizing on their opportunities and getting the most out of their offensive efforts.

By tracking this statistic, teams can gain insight into the performance of their hitters. It also serves as an important tool for scouting other teams and analyzing opposing players in order to come up with strategies for how to best defend against them. With its ability to measure offensive efficiency, LOB is an integral statistic for understanding the game of baseball. [3]

Why Do Baseball Teams Care About Lob?

LOB, or “left on base,” is an important statistic for baseball teams because it measures the number of runners that were stranded when a half-inning ends. It is used to measure how efficient a team’s offense was in effectively advancing runners and scoring runs. A high LOB score indicates that a team may have struggled to move runners into scoring position. Conversely, a low LOB score could suggest that a team was very successful at getting their hitters on base and then moving them around the bases to score runs.

Therefore, understanding and analyzing LOB scores can give teams an indication of how well they are doing offensively and what strategies they might need to adjust in order to drive more runs across the plate. Additionally, tracking LOB over the course of a season can give teams insight into their overall offensive performance and help them identify areas that need improvement. By understanding and leveraging LOB, teams can make better decisions on how to adjust their approach at the plate and maximize scoring opportunities.

Why Do Baseball Teams Care About Lob?

Is There Any Connection Between Winning Games And A Low Lob?

The answer to this question is yes, there is a connection between winning games and having a low LOB (left on base) percentage. A team that leaves fewer runners on base typically wins more games than one that does not. This is because it allows for their offense to score more runs by quickly getting off the bases instead of leaving them stranded with no chance of scoring. Additionally, if a pitcher can keep runners from advancing, then they are able to pitch more efficiently which translates into better results all around. Ultimately, teams with lower LOB percentages statistically have better success in terms of winning games and ultimately taking home championships. [4]

How Can Lob Be A Misleading Metric?

Lob is a useful statistic, but it can be misleading because it does not take into account the quality of contact made. For example, if a player has an impressive number of line drives (LOB) but they are all weakly hit or not hard enough to turn into hits, then that player’s LOB metric will still remain high even though they may not have produced much offense. It also cannot measure how hard the batter hit the ball or how well the fielder positioned himself to make plays on batted balls.

Therefore, while LOB can be informative in certain cases, it should not be relied upon as the sole measure of offensive production for any given player. To get a better picture of offensive output, it is best to look at a combination of different metrics such as batting average, on-base percentage, and slugging percentage. These stats give more accurate information about a player’s ability to get on base and create runs. Additionally, watching game footage can help identify the quality of contact made by a batter and how well the fielder handled batted balls that resulted in an LOB. [5]

Who Leads Major League Baseball In Men Left On Base?

As of the end of the 2019 Major League Baseball season, the team that led all others in LOB (left on base) was the Cleveland Indians. The Indians had a total of 1,331 men left on base throughout the 2019 season. This put them ahead of the second-place San Francisco Giants who had 1,290 LOB over the course of their schedule.

Other teams rounding out the top five teams with most men left on base in MLB during 2019 included: The Chicago Cubs (1,251), Toronto Blue Jays (1,245), and Philadelphia Phillies (1,215). Coming in at sixth place were the New York Yankees with 1,196 LOB for 2019.

Does OBP Play a Role in LOB?

Yes, OBP (on-base percentage) does play a role in LOB (left on base). A team’s ability to get its players on base is a major factor in determining how many runners are left stranded when the inning ends. The higher the team’s OBP, the more likely it is that they will have fewer players left on base at the end of an inning. Additionally, high OBP teams tend to score more runs due to their ability to create sustained offensive rallies and capitalize on any opportunities given to them.

Therefore, having a good OBP is important for preventing leaving too many runners stranded and scoring enough runs. [6]

Does OBP Play a Role in LOB?

What is the Difference Between LOB and RLSP?

LOB stands for “left on base” in baseball and RLSP stands for “runners left stranded in scoring position.” The difference between the two is that LOB is a measure of all runners who have reached base without scoring, while RLSP measures only those runners who have reached second or third base without scoring. While they are both important indicators of a team’s offensive performance, RLSP can be used to more accurately determine how well a team is capitalizing on opportunities with runners in an advantageous position.  This metric looks at just the number of times a runner has gotten close to home plate but failed to score. It can provide insight into how often teams are leaving runs out there on the diamond.


What is a good LOB in baseball?

A good LOB in baseball is a ratio of a pitcher’s strikeouts compared to the number of runners left on base. The lower the ratio, the higher the quality of pitching and the better performance from that pitcher. Generally, an LOB ratio over 1.8 is considered excellent, while anything below 0.7 indicates poor pitching. It’s important to note that not all pitchers have equal control over their ability to leave batters on base; some pitchers are naturally more successful at it than others due to their style of play or experience level. Additionally, certain situations depend heavily on team defense and can make a pitcher’s LOB score look worse than what it should be.

What are some strategies for improving my LOB?

Improving your LOB is a matter of improving your ability to get batters out. This can be done by developing better control over the pitches you throw, as well as learning how to mix in different speeds and locations more effectively. Additionally, it’s important to pay attention to the opposing team’s tendencies when at bat, such as which hitters are more likely to hit fly balls or grounders that can lead to double plays. Finally, having an effective defense behind you will help a pitcher limit runners on base because they’ll be able to turn potential hits into outs more often.

How is LOB calculated?

In order to get an accurate gauge of a team’s overall performance, it’s important to look at both batting average and LOB together. Understanding the importance of LOB requires knowing how to calculate it. To start, you need to find the number of runners left on base in a given game or series. That is calculated by subtracting the total runs scored from the total hits plus walks. Then, divide that number by the total plate appearances minus home runs and sacrifice flies. The resulting figure will give you an idea of how many runners were stranded during each at-bat attempt, giving you an indication of how successful a team was in scoring runs when they had multiple chances throughout the game or series.

How is LOB calculated?

Is a high LOB good in baseball?

A high LOB score isn’t necessarily a good thing in baseball, as it can indicate that pitchers are struggling to retire batters. A low LOB is generally desirable, as it means the pitcher has been effective at getting batters out. However, some teams take advantage of their defense’s ability to turn batted balls into outs and will accept a higher LOB rate than other teams if their overall performance is strong enough to compensate for the extra runners left on base. Ultimately, there is no set answer as to whether a higher or lower LOB score is more desirable; instead, each team must decide what works best for them based on their individual personnel and strategies.

Is a BB good in baseball?

A BB, or base on balls, is simply another way of saying a player was given an intentional walk. Intentional walks are usually seen as a beneficial strategy, as they allow teams to advance runners without giving up an at-bat and potentially risk having the batter reach base. However, intentional walks can also be used strategically to set up double plays if the batters behind them have weak hit/mass ratios. Ultimately, whether intentional walks are good or bad for a team’s performance depends on how it is used in context with the rest of the game.

Useful Video: What is R, LRP, Good OBP and LOB mean in baseball?


In conclusion, LOB stands for “left on base” in baseball and is a statistic that tracks the number of players left stranded on the bases at the end of an inning. This stat is important because it can be used to measure how well a team performs offensively and defensively. It’s also useful for comparing teams and analyzing their performance over time. Understanding this stat can help coaches and managers make better decisions about who plays, when they play, and what strategies are employed during games. Ultimately, being familiar with LOB can help any fan gain a deeper understanding of the game of baseball.


  1. https://www.baseballbible.net/what-is-lob/
  2. https://coachingkidz.com/what-is-left-on-base-lob-in-baseball/
  3. https://www.sportslingo.com/sports-glossary/l/left-on-base-lob/
  4. https://statcorner.com/mlb/stats/lob
  5. https://thestadiumreviews.com/blogs/info/what-does-lob-mean-in-baseball-and-softball/
  6. https://24hourtopics.com/what-does-lob-mean-in-baseball/