| 1 |
Baseball first became a professional sport in . |
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| 2 |
The National Association of Baseball Players was established in
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| 3 |
In 1903, a competition to find the best baseball team in North America began called the . |
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| 4 |
A baseball team usually has players. |
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| 5 |
A pitcher normally tries to pitch the ball into the . |
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| 6 |
A batter is out if the umpire calls strikes. |
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| 7 |
A baseball diamond has bases. |
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| 8 |
In professional baseball, bats must be made of . |
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| 9 |
A batter "walks" if the pitcher throws balls outside the strike zone. |
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| 10 |
A game of baseball is usually played over innings. |
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