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As Jonah Keri wrote in 2012, "When Voros McCracken wrote his seminal piece on pitching and defense 11 years ago, he helped change the way people—fans, writers, even general managers—think about run prevention in baseball. Where once we used to throw most of the blame for a hit on the pitcher who gave it up, McCracken helped us realize that ...
The sound of the bat hitting the ball. The term is used in baseball to mean "immediately, without hesitation". For example, a baserunner may start running "on the crack of the bat", as opposed to waiting to see where the ball goes. Outfielders often use the sound of bat-meeting-ball as a clue to how far a ball has been hit.
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]
Like many original sabermetric concepts, the idea of a defensive spectrum was first introduced by Bill James in his Baseball Abstract series of books during the 1980s. [2] The basic premise of the spectrum is that positions on the right side of the spectrum are more difficult than the positions on the left side.
Baseball statistics include a variety of metrics used to evaluate player and team performance in the sport of baseball. Because the flow of a baseball game has natural breaks to it, and player activity is characteristically distinguishable individually, the sport lends itself to easy record-keeping and compiling statistics .
In baseball statistics, fielding percentage, also known as fielding average, is a measure that reflects the percentage of times a defensive player properly handles a batted or thrown ball. It is calculated by the sum of putouts and assists, divided by the number of total chances (putouts + assists + errors). [1]
In baseball and softball, while there are nine named fielding positions, players, with the exception of the pitcher and catcher, may move around freely. The positioning for the other seven positions is very flexible, although they all have regular depths —distances from home plate , and sometimes lateral positioning.
Similar to FIP, tRA uses a mathematical formula to isolate the pitcher from his defense. Thus, tRA is a defense-independent pitching statistic . Unlike FIP and dERA , however, tRA takes into account batted ball type (that is, line drives, fly balls, pop ups, and ground balls) as well as strikeouts, walks, and home runs.