The raw data behind the story "The Save Ruined Relief Pitching. The Goose Egg Can Fix It." https://fivethirtyeight.com/features/goose-egg-new-save-stat-relief-pitchers/.

goose

Format

A data frame with 30,533 rows representing pitchers and 12 variables:

name

Pitcher name

year

Start year of season

team

Retrosheet team code

league

NL or AL

goose_eggs

Goose eggs

broken_eggs

Broken eggs

mehs

Mehs

league_average_gpct

League-average goose percentage

ppf

Pitcher park factor

replacement_gpct

Replacement-level goose percentage

gwar

Goose Wins Above Replacement

key_retro

Retrosheet unique player identifier

Source

Retrosheet http://www.retrosheet.org/