How Many Baseballs Are Used in a Game? (MLB Data)

By Emma Wilson · June 2, 2029

In a typical Major League Baseball (MLB) game, approximately 60 to 120 baseballs are used. This range accounts for factors such as fouls, home runs, scuffs, and league-mandated ball replacements to ensure visibility and fairness.

Why So Many Baseballs Are Used in a Single Game

An MLB game doesn't rely on just one or two baseballs. Instead, dozens are cycled through each match. The high number stems from strict rules and practical gameplay demands that require fresh, clean, and undamaged balls at all times.

Common Reasons Baseballs Are Replaced

Foul balls hit into the stands
Home runs (balls are typically retrieved but not reused)
Scuffed or dirty balls that affect aerodynamics
Balls that touch the ground after being pitched
Umpire discretion for wear or discoloration
Balls used during warm-up pitches between innings

The Role of Umpires in Ball Management

Umpires inspect baseballs throughout the game and decide when to remove them from play. According to MLB Rule 3.01, a ball must be replaced if it's discolored, scratched, or otherwise altered to maintain consistent performance.

The home plate umpire oversees this process and signals for new balls frequently—often every few pitches. Each new ball is rubbed with Lena Blackburne Rubbing Mud to improve grip without damaging the cover.

Cost Implications for Teams and Leagues

Using up to 120 baseballs per game has significant financial implications. Official MLB baseballs cost around $7 each. For a single game, that totals between $420 and $840 in baseball costs alone.

Over a full 162-game season, one team may use over 9,000 baseballs, amounting to roughly $63,000 in ball expenses. With 30 teams in MLB, the total annual expenditure on baseballs exceeds $1.8 million.

Game Type	Avg. Balls Used	Season Total (Per Team)	Estimated Cost Per Game ($)	Annual Cost (Per Team)
Regular Season (MLB)	85	13,770	595	96,390
Postseason	100	900 (avg.)	700	6,300 (series avg.)
Spring Training	50	1,500	350	10,500
College Game (NCAA)	40	800 (season)	280	5,600

Table data source:1, 2, 3

The data shows that professional games use significantly more baseballs than amateur levels due to stricter replacement policies and higher foul ball frequency. MLB’s average of 85 balls per game reflects both regulation enforcement and fan engagement through ball distribution.

Additionally, postseason games see an increase in ball usage due to heightened scrutiny and pitcher behavior, while college games use fewer balls due to lower pitch counts and reduced media requirements.

About How Many Baseballs Are Used in a Game: Common Questions

How many baseballs are used in an average MLB game?

On average, about 85 baseballs are used in a Major League Baseball game, though the number can range from 60 to 120 depending on game dynamics and conditions.

Why are baseballs replaced so often during a game?

Baseballs are replaced frequently to ensure fair play. Scuffs, dirt, and moisture can alter flight dynamics. MLB rules require clear, unaltered balls for batter safety and competitive balance.

Are baseballs reused after being hit into the stands?

No, baseballs hit into the stands are generally not reused in games. While some are saved for memorabilia, MLB does not return fan-collected balls to active play.

Do all baseballs used in a game get signed by players?

No, only a small fraction of game-used baseballs are signed, typically those kept for souvenirs or promotional purposes. Most are discarded or repurposed after inspection.

How does humidity affect baseball usage during a game?

High humidity makes baseballs heavier and harder to grip, leading umpires to replace them more frequently. Indoor stadiums use climate control to minimize such effects and reduce ball waste.