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As of September 25th, 2010: The fastest pitch, recognized by MLB and not somebody's recollection, was on September 25, 2010 at Petco Park in San Diego by Cincinnati Reds left handed relief pitcher Aroldis Chapman. It was clocked at 105.1 miles per hour. Tony Gwynn Jr. was the batter and it was called a ball, inside.
The Fastest Pitch: There seems to be debate over who has thrown the fastest pitch in baseball, based on many varying factors.
According to Guinness: The Guinness Book of World Records states that Nolan Ryan holds the record for the fastest pitch ever thrown. He was officially clocked at 100.9 mph(over the plate) on August 20, 1974, versus the Detroit Tigers.
Other "fastest pitch" claims:
Armando Benitez 102.0 mph 2002 Shea Stadium
Randy Johnson 102.0 mph 07-09-2004 SBC Park
Robb Nen 102.0 mph 10-23-1997 Jacobs Field
Eric Sjoberg 104.62 mph St.Johns high school
Additional input from WikiAnswers contributors:
You're talking about in 1946 when they used a photo-electric cell device to clock Feller. They clocked him at 98.6 over home plate. There was a theory that the ball loses about 9 mph from release to home plate, so they added 9 mph to it and got 107, so it's not an official pitch speed. If you want to talk fastest from release instead of fastest over home plate, then Nolan Ryan did a similar test in 1974 using lasers where the ball was clocked at 100.9 over home plate, which is the speed in the Guinness World Record books because they haven't officially tested any one else yet. They added 7.2 mph to it to figure the release speed, so they came up with 108.1.
Nolan Ryan's speed calculations from efastball.com
"How did we arrive at 108.1 mph? The facts are 100.9 at 10 feet, plus 9 mph drop per 50 feet. So add 7.2 mph (9/50*40) to 100.9 to get 108.1 mph."
Feller's from efastball.com
"His fastest speed recorded was 98.6 mph, but the measurement took place at home plate, or 60 feet from release. To compare his speed to others, you must add the average 9 mph speed drop from 50ft to the plate. Therefore, his pitch speed was 107.6 mphat the equivalent 50 ft mark."
In the 1930's, the military brought their big radar machine to the ballpark to see how fast Bob Feller was pitching; they gunned him at 107 mph.
Nolan Ryan at 104 mph. They did a segment on sports science on ESPN and they determined that the human body is physically incapable of throwing 106 mph. This nulls the accusations of Bob Feller's 107 and Nolan Ryan's 106.
Joel Zumaya of the Detroit Tigers also hit 104, I believe, but Ryan's was just decimals faster.
Stephen Strasburg at 103.
Nolan Ryan threw a Four seam fastball at 101 mph.
Nolan Ryan threw the ball 106 mph while playing in the MLB.
MLB does not recognize radar gun speeds as an official statistic. The fastest pitch I can remember was by Joel Zumaya of the Detroit Tigers that was clocked at 103 mph.
112 by John Smoltz
I'll defer to the Baseball Almanac, cited in the first answer. More impressive, however, was J.R. Richard's 98 mph slider during an All-Star appearance!
Mark Wholers 103.0 mph in spring training 1995
Joe Speer of the Niagara falls Rapids (Detroit Tigers single A minor league team) threw a pitch 107 mph.
Some say Satchel Page threw harder than Ryan, but the fastest pitch ever recorded was 101, by none other than Nolan Ryan.
What else can I help you with?
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What is the fastest pitch recorded in little league?
A ten year old cannot throw 90. He does not have the arm strength, leg strength, or core strength to do so.
What is the fastest pitch thrown?
106 mph
What is the fastest pitch ever recorded in major league baseball history?
The fastest pitch thrown at Fenway Park was 108 mph.
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How fast was the fastest pitch ever thrown?
107 miles per hour.
How fast was the fastest pitch ever thrown by John Smoltz?
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