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In the MLB, umpires will bring in a new ball at their discretion. Pitchers may ask the umpire for a new ball because they don't like the current ball, or are stalling a bit.
Umpires try to keep the game fair and balls get dirty with use and harder to see. They may also get nicked up when hit or when the hit the catcher's gear.
These days, umpires will replace a ball if it's thrown in the dirt by the pitcher. It may stay in play longer on outs made in the field longer.
For info on MLB and other Baseball rules see:
http://www.hitpitchcatch.com/baseball-rules-softball-rules.html#MLBBaseball
In 1920 they changed the rules saying that balls always had to be "clean". Before that pitchers would scuff them to make them hard to see and easy to move. Since any ball that hits the dirt is dirtied, the balls need to be replaced very frequently.
dents from hits, scrapes and cuts from hitting the ground or other items, would give the pitcher an advantage, if an new ball is always used it cant be said it wasnt fair.
they dont always but if it is wet on the ground or it is raining the ball will obviosly be slippery and the pitcher will not be able to pitch properly
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Pete Rose
Did Babe Ruth strikeout the most in Major League Baseball?
No. Babe Ruth struck out 1,330 times in his career. Reggie Jackson is the major league leader in strikeouts with 2,597.
Are the San Francisco Giants a good major league baseball team?
Yes. Since 2010, the Giants have become a Major League Baseball dynasty, winning World Series championships three times in five seasons.
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Mark Reynolds of the Arizona Diamondbacks with 204.
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He was 5-0 against the Cubs.
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The San Diego Padres are the Major League Baseball team in San Diego, California. They play in the National League Western Division. The Padres have won the National League Pennant twice, in 1984 and 1998, losing in the World Series both times.
What current major league baseball players have had a 300 avg and 200 hits in a season 5 times?
ishiro suzuki
How many times is the catcher allowed to visit the pitchers mound in a major league baseball game?
There is no rule in MLB that specifies how many times a catcher may visit the pitcher during a game.
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The New York Yankees have won 27 World Series Championships.
How do you get a complete set of Major League Baseball cards?
A lot of times, you can get those sets at the same place you buy your individual packs near the end of the season.
How many times did Ty Cobb strike out?
According to baseball-reference.com, Ty Cobb struck out a total of 357 times in his career. However, strikeouts were not counted in the stats sheets until 1913. Cobb had eight years of big league experience by this point.
