Metrics Flashcards

1
Q

ax0

A

The initial acceleration of the pitch along the x-axis (horizontal, toward home plate) immediately after release.

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2
Q

ay0

A

The initial acceleration of the pitch along the y-axis (vertical, downward) immediately after release.

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3
Q

az0

A

The initial acceleration of the pitch along the z-axis (side to side) immediately after release.

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4
Q

Ball Flight Time

A

The time it takes for a pitch to travel from the pitcher’s hand to the catcher’s mitt.

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5
Q

Batted Ball Data

A

Records how the ball is hit when struck, including launch angle, exit velocity, and the resulting play type.

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6
Q

Bauer Units

A

The ratio of spin rate to velocity, helping assess the efficiency of spin relative to the speed of the pitch.

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7
Q

Eff Velocity

A

Adjusts the perceived velocity of a pitch based on its location in the strike zone and the timing of the pitch.

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8
Q

HorzMvmt

A

Refers to the total side-to-side movement of a pitch, measured in inches, from the pitcher’s perspective.

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9
Q

HorzApprAngle

A

The angle at which the pitch moves horizontally as it approaches home plate, indicating the pitch’s movement left or right.

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10
Q

HorzRelAngle

A

The angle at which the ball is released in a horizontal plane, relative to the pitcher’s body.

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11
Q

IVM

A

Induced Vertical Movement measures how much a pitch drops compared to a ball thrown without spin.

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12
Q

Pitch%

A

The distribution of different types of pitches thrown during a game or over a season.

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13
Q

Pitch Eff

A

Metrics that analyze how effective pitches are in terms of achieving strikes, inducing weak contact, or strikeouts.

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14
Q

Pitch Seq

A

Information about the sequence of pitches thrown, useful for pattern analysis and understanding pitcher strategy.

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15
Q

Pitch Type

A

Identifies the type of pitch thrown based on movement characteristics and release parameters.

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16
Q

Pitch Pace

A

Time taken between pitches, influencing the rhythm of the game and batter timing.

17
Q

PlateLoc

A

The precise location where the pitch crosses the plate in terms of x, y, and z coordinates.

18
Q

Plate Spd

A

The speed of the pitch as it crosses home plate, which can be different from the release speed.

19
Q

Release Ext

A

Measures the distance from the pitching rubber to the pitcher’s hand at the moment of release.

20
Q

Release Ht

A

The height at which the ball is released from the pitcher’s hand.

21
Q

Release Side

A

The lateral position, relative to the pitching rubber, from which the pitch is released.

22
Q

Release Spd

A

The velocity of the pitch as it is released from the pitcher’s hand.

23
Q

Spin Eff %

A

Refers to the percentage of the spin that is contributing effectively to the movement of the pitch. High spin efficiency means that a large portion of the spin is being translated into movement.

24
Q

Spin Score

A

Evaluates the quality of a pitch’s spin in contributing to its movement. It might be calculated based on the alignment of the spin axis with the pitch’s trajectory.

25
Q

Spin Axis

A

The orientation of the spin of the ball, typically expressed in degrees or as a clock face reference.

26
Q

Spin Rate

A

Measured in revolutions per minute (rpm), indicates how quickly the ball is spinning after it is released.

27
Q

Stress Load

A

Advanced biomechanical analysis to evaluate the stress on a pitcher’s arm per pitch, aiding in injury prevention.

28
Q

Strike Zone Top and Bottom

A

Provides data on the top and bottom boundaries of the strike zone for the specific batter.

29
Q

Time Break

A

The time at which the pitch starts to significantly break or move off its initial trajectory.

30
Q

Tot Mov

A

Combines both the vertical and horizontal movement of a pitch, usually measured in inches, providing a holistic view of the pitch’s overall deviation from a straight trajectory.

31
Q

Tunneling

A

Measures how similar two different pitches appear to the batter until they begin to diverge significantly in flight.

32
Q

VertApprAngle

A

The angle at which the pitch descends towards the plate, affecting how a batter perceives the height of the pitch.

33
Q

VertRelAngle

A

The angle at which the ball is released relative to the ground, in a vertical plane.

34
Q

vx0

A

The initial velocity of the pitch along the x-axis (horizontal, toward home plate) at the point of release.

35
Q

vy0

A

The initial velocity of the pitch along the y-axis (vertical, downward) at the point of release.

36
Q

vz0

A

The initial velocity of the pitch along the z-axis (side to side) at the point of release.

37
Q

Zone%

A

The percentage of pitches thrown that are within the strike zone.

38
Q

ZoneSpd

A

The velocity of the pitch as it crosses the front of home plate.