This is the documentation for the Statcast Search CSV data downloads.

pitch_type

• The type of pitch derived from Statcast.

game_date

• Date of the Game.

release_speed

• Pitch velocities from 2008-16 are via Pitch F/X, and adjusted to roughly out-of-hand release point. All velocities from 2017 and beyond are Statcast, which are reported out-of-hand.

release_pos_x

• Horizontal Release Position of the ball measured in feet from the catcher's perspective.

release_pos_z

• Vertical Release Position of the ball measured in feet from the catcher's perspective.

player_name

• Player's name tied to the event of the search.

batter

• MLB Player Id tied to the play event.

pitcher

• MLB Player Id tied to the play event.

events

• Event of the resulting Plate Appearance.

description

• Description of the resulting pitch.

spin_dir

• * Deprecated field from the old tracking system.

spin_rate_deprecated

• * Deprecated field from the old tracking system. Replaced by release_spin

break_angle_deprecated

• * Deprecated field from the old tracking system.

break_length_deprecated

• * Deprecated field from the old tracking system.

zone

• Zone location of the ball when it crosses the plate from the catcher's perspective.
  

des

• Plate appearance description from game day.

game_type

• Type of Game. E = Exhibition, S = Spring Training, R = Regular Season, F = Wild Card, D = Divisional Series, L = League Championship Series, W = World Series

stand

• Side of the plate batter is standing.

p_throws

• Hand pitcher throws with.

home_team

• Abbreviation of home team.

away_team

• Abbreviation of away team.

type

• Short hand of pitch result. B = ball, S = strike, X = in play.

hit_location

• Position of first fielder to touch the ball.

bb_type

• Batted ball type, ground_ball, line_drive, fly_ball, popup.

balls

• Pre-pitch number of balls in count.

strikes

• Pre-pitch number of strikes in count.

game_year

• Year game took place.

pfx_x

• Horizontal movement in feet from the catcher's perspective.

pfx_z

• Vertical movement in feet from the catcher's perpsective.

plate_x

• Horizontal position of the ball when it crosses home plate from the catcher's perspective.

plate_z

• Vertical position of the ball when it crosses home plate from the catcher's perspective.

on_3b

• Pre-pitch MLB Player Id of Runner on 3B.

on_2b

• Pre-pitch MLB Player Id of Runner on 2B.

on_1b

• Pre-pitch MLB Player Id of Runner on 1B.

outs_when_up

• Pre-pitch number of outs.

inning

• Pre-pitch inning number.

inning_topbot

• Pre-pitch top or bottom of inning.

hc_x

• Hit coordinate X of batted ball.

hc_y

• Hit coordinate Y of batted ball.

tfs_deprecated

• * Deprecated field from old tracking system.

tfs_zulu_deprecated

• * Deprecated field from old tracking system.

fielder_2

• Pre-pitch MLB Player Id of Catcher.

umpire

• * Deprecated field from old tracking system.

sv_id

• Non-unique Id of play event per game.

vx0

• The velocity of the pitch, in feet per second, in x-dimension, determined at y=50 feet.

vy0

• The velocity of the pitch, in feet per second, in y-dimension, determined at y=50 feet.

vy0

• The velocity of the pitch, in feet per second, in z-dimension, determined at y=50 feet.

ax

• The acceleration of the pitch, in feet per second per second, in x-dimension, determined at y=50 feet.

ay

• The acceleration of the pitch, in feet per second per second, in y-dimension, determined at y=50 feet.

az

• The acceleration of the pitch, in feet per second per second, in z-dimension, determined at y=50 feet.

sz_top

• Top of the batter's strike zone set by the operator when the ball is halfway to the plate.

sz_bot

• Bottom of the batter's strike zone set by the operator when the ball is halfway to the plate.

hit_distance

• Projected hit distance of the batted ball.

launch_speed

• Exit velocity of the batted ball as tracked by Statcast. For the limited subset of batted balls not tracked directly, estimates are included based on the process described here.

launch_angle

• Launch angle of the batted ball as tracked by Statcast. For the limited subset of batted balls not tracked directly, estimates are included based on the process described here.

effective_speed

• Derived speed based on the the extension of the pitcher's release.

release_spin

• Spin rate of pitch tracked by Statcast.

release_extension

• Release extension of pitch in feet as tracked by Statcast.

game_pk

• Unique Id for Game.

pitcher

• MLB Player Id tied to the play event.

fielder_2

• MLB Player Id for catcher.

fielder_3

• MLB Player Id for 1B.

fielder_4

• MLB Player Id for 2B.

fielder_5

• MLB Player Id for 3B.

fielder_6

• MLB Player Id for SS.

fielder_7

• MLB Player Id for LF.

fielder_8

• MLB Player Id for CF.

fielder_9

• MLB Player Id for RF.

release_pos_y

• Release position of pitch measured in feet from the catcher's perspective.

estimated_ba_using_speedangle

• Estimated Batting Avg based on launch angle and exit velocity.

estimated_woba_using_speedangle

• Estimated wOBA based on launch angle and exit velocity.

woba_value

• wOBA value based on result of play.

woba_denom

• wOBA denominator based on result of play.

babip_value

• BABIP value based on result of play.

iso_value

• ISO value based on result of play.

launch_speed_angle

• Launch speed/angle zone based on launch angle and exit velocity.
  1: Weak
  2: Topped
  3: Under
  4: Flare/Burner
  5: Solid Contact
  6: Barrel
  

at_bat_number

• Plate appearance number of the game.

pitch_number

• Total pitch number of the plate appearance.

pitch_name

• The name of the pitch derived from the Statcast Data.

home_score

• Pre-pitch home score

away_score

• Pre-pitch away score

bat_score

• Pre-pitch bat team score

fld_score

• Pre-pitch field team score

post_home_score

• Post-pitch home score

post_away_score

• Post-pitch away score

post_bat_score

• Post-pitch bat team score

if_fielding_alignment

• Infield fielding alignment at the time of the pitch.

of_fielding_alignment

• Outfield fielding alignment at the time of the pitch.

spin_axis

• The Spin Axis in the 2D X-Z plane in degrees from 0 to 360, such that 180 represents a pure backspin fastball and 0 degrees represents a pure topspin (12-6) curveball

delta_home_win_exp

The change in Win Expectancy before the Plate Appearance and after the Plate Appearance

delta_run_exp

• The change in Run Expectancy before the Pitch and after the Pitch