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When was pitching mound lowered?

Author

Mia Kelly

Published Jan 22, 2026

After a miserable season for hitters in 1968, the MLB lowered the mound from 15 inches to 10 inches. The combined batting average in both leagues went from .

When did MLB change mound height?

In 1893, the pitching distance was changed, and the box was replaced with the pitcher's rubber. Pitchers discovered that they could get more speed on the ball if they were allowed to stride downhill, so their groundskeepers would provide them with a mound. In 1903, the maximum height was set at 15 inches.

Why did they lower the pitching mound?

The changes were made, according to one wire service, to add more enjoyment for the fans and more offense in the games which the pitchers dominated in both the National and American leagues this past season. Baseball also asked umpires to better enforce rules about illegal pitches.

When did baseball lower the pitchers mound?

MLB did not make the decision to lower the mound and shrink the strike zone until December 1968—which meant baseball had all summer and fall to toss around suggestions about how to move forward.

How high was the pitchers mound before 1968?

Regulations also allowed for a mound 15 inches high, though the real heights varied by ballpark. “I remember 1968, it felt like every pitcher was right on top of you that year,” Ken Harrelson, an all-star right fielder that year, told ESPN's Tim Kurkjian in 2011. “It felt like they weren't 60 feet, 6 inches away.

43 related questions found

Did they lower the mound because of Bob Gibson?

Because pitchers, led by Gibson, were so dominant in 1968 that baseball lowered the pitching mound 5 inches and shrank the strike zone. The changes became known as the “Gibson Rules.”

Was the mound raised in 1968?

No, it is not time to lower the mound. The last time Major League Baseball did that was 1969, and it was done out of necessity because of what had happened in 1968 -- the original, the one and only, Year of the Pitcher.

How much did they lower the mound in 1969?

The full-season record low is . 237, set in 1968, which compelled baseball to lower the mound by five inches in 1969. Batters slashed .

How fast did Gibson pitch?

Bob Gibson's average fastball velocity was 91.9 mph!

Why is it 60 feet 6 inches?

What was the answer? Move the pitchers back another five feet -- to 60 feet, 6 inches. That's what happened in 1893. The pitcher's box was replaced with a 12-inch-by-4-inch slab, and, as with the back line of the box, the pitcher was required to place his back foot upon it.

How tall is the MLB pitching mound?

The pitcher's plate must be a 24-inch by 6-inch slab of whitened rubber that is 10 inches above the level of home plate and 60 feet, 6 inches away from the back point of home plate.

How tall is MLB pitchers mound?

Proper Pitching Rubber Alignment

The front of the pitching rubber must be 60 feet 6 inches from the apex (point) of home plate and the top of the rubber should be 10 inches above home plate.

Who threw the fastest pitch ever?

Fastest pitch ever thrown

As a result, Aroldis Chapman is credited with throwing the fastest pitch in MLB history. On Sept. 24, 2010, Chapman made MLB history. Then a rookie relief pitcher for the Cincinnati Reds, the fireballer unleashed a fastball clocked at 105.1 mph by PITCH/fx.

Did Koufax throw 100 mph?

Koufax was an American baseball legend. He possessed a 100-mph fastball and what announcer Vin Scully called a twelve-to-six curveball since it started at 12 o'clock then dropped to 6 o'clock. From 19631966, he had the best four-year span of any pitcher in baseball history.

What was the velocity of Bob Gibson's fastball?

How fast was Bob Gibson's Fastball? Bob Gibson's 4-seam fastball sat between 92-95 mph in the sample I considered. It's likely he actively varied his grip or intended velocity, producing a high velocity range, measured at 87-95, with numerous indications that he regularly exceeded 95 mph.

Why was 1968 the year of the pitcher?

A bigger strike zone would help them out, so baseball made the rule change. From '63 to '68, the strike zone was bigger. It went from the top of the batter's shoulders to the knees. So, in 1968, the generous strike zone was still in effect—and it made the top pitchers of the day even better.

How fast can Babe Ruth throw?

To gauge power, Ruth swung a 54-ounce bat 75 mph, a measure that flabbergasted researchers.

What's the longest home run ever hit?

Giancarlo Stanton, 504 Feet (2016)

Since the installment of technology, Giancarlo Stanton's home run is the longest homer ever recorded. Stanton hit a ball in the Coors Field, one of the highest (sea level) baseball parks in the MLB.

How fast does a 100 mph fastball get to home plate?

A 100-mph fastball takes roughly 375-400 milliseconds to reach the plate. For reference, the blink of an eye takes 300-400 milliseconds.

What is Roman on pitchers mound?

MLB announces efforts to raise awareness for prostate cancer, including new multi-year partnership with Roman, the Men's Digital Health Clinic.

What kind of dirt does MLB use?

Today major league clubs often use a sports dirt mix called Beam Clay, made by Partac Peat Corp. Its dirts for the diamond, pitcher's mound, and home plate contain different ratios of red clay (for firmness) and orange sand (for drainage and softness).

How far apart are MLB bases?

Base paths/distance - The infield shall be a 90-foot square. When location of home base is determined, with a steel tape measure of 127 feet, 3 3/8 inches in desired direction to establish second base. The distance between first base and third base is 127 feet, 3 3/8 inches.

Where is right field on a baseball diamond?

A right fielder, abbreviated RF, is the outfielder in baseball or softball who plays defense in right field. Right field is the area of the outfield to the right of a person standing at home plate and facing towards the pitcher's mound.