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The strike zone is a volume of space, a vertical right pentagonal prism. Its sides are vertical planes extending up from the edges of home plate.The official rules of Major League Baseball define the top of the strike zone as the midpoint between the top of the batter's shoulders and the top of the uniform pants, and the bottom of the strike zone is at the hollow beneath the kneecap, both ...
Starting with the Knickerbocker Rules in 1845, and the National League Rules in 1877, the rules of baseball have evolved over time. The 2014 edition of the rulebook fills about 250 pages. [6] After the 2014 season, the Playing Rules Committee reorganized and recodified the rules.
Diagram of a baseball diamond. Baseball is played between two teams with nine players in the field from the team not batting at that point (the batting team would have one batter in play at "home plate" on the field). On a baseball field, the game is under the authority of several umpires. There are usually four umpires in major league games ...
The Official Professional Baseball Rules Book governs all aspects of the game of Major League Baseball beyond what happens on the field of play. There are a number of sources for these rules, but they all ultimately are sanctioned by the Office of the Commissioner of Baseball .
A physical property of a bat, expressed as a (usually) negative number equal to the bat's weight in ounces minus its length in inches. For example, a bat that is 34 inches (86 cm) long and weighs 31 ounces (880 g) has a bat drop of –3.
PITCHf/x is a system using three permanently mounted cameras in the stadium to track the speed and location of a pitched baseball from the pitcher's mound to home plate with an accuracy of better than one mile per hour and one inch. With PITCHf/x, statistics such as the pitcher with the fastest fastball, or the pitcher with the sharpest ...
In the sport of baseball, each of the nine players on a team is assigned a particular fielding position when it is their turn to play defense. Each position conventionally has an associated number, for use in scorekeeping by the official scorer: 1 (), 2 (), 3 (first baseman), 4 (second baseman), 5 (third baseman), 6 (), 7 (left fielder), 8 (center fielder), and 9 (right fielder). [1]
A typical baseball. A baseball is the ball used in the sport of baseball. It consists of a rubber or cork center wrapped in yarn and covered with white natural horsehide or cowhide, or a synthetic composite leather. A regulation baseball is 9 to 9.25 inches (229 to 235 mm) in circumference i.e. 2.86 to 2.94 inches (73 to 75 mm) in diameter ...