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A subset of data on Major League Baseball teams from Lahman's Baseball Database. The full data set is available in the Lahman R package.

Usage

mlb_teams

Format

A data frame with 2784 rows and 41 variables.

year

Year of play.

league_id

League the team plays in with levels AL (American League) and NL (National League).

division_id

Division the team plays in with levels W (west), E (east) and C (central).

rank

Team's rank in their division at the end of the regular season.

games_played

Games played.

home_games

Games played at home.

wins

Number of games won.

losses

Number of games lost.

division_winner

Did the team win their division? Levels of Y (yes) and N (no).

wild_card_winner

Was the team a wild card winner. Levels of Y (yes) and N (no).

league_winner

Did the team win their league? Levels of Y (yes) and N (no).

world_series_winner

Did the team win the World Series? Levels of Y (yes) and N (no).

runs_scored

Number of runs scored during the season.

at_bats

Number of at bats during the season.

hits

Number of hits during the season. Includes singles, doubles, triples and homeruns.

doubles

Number of doubles hit.

triples

Number of triples hit.

homeruns

Homeruns by batters.

walks

Number of walks.

strikeouts_by_batters

Number of batters struckout.

stolen_bases

Number of stolen bases.

caught_stealing

Number of base runners caught stealing.

batters_hit_by_pitch

Number of batters hit by a pitch.

sacrifice_flies

Number of sacrifice flies.

opponents_runs_scored

Number of runs scored by opponents.

earned_runs_allowed

Number of earned runs allowed.

earned_run_average

Earned run average.

complete_games

Number of games where a single pitcher played the entire game.

shutouts

Number of shutouts.

saves

Number of saves.

outs_pitches

Number of outs pitched for the season (number of innings pitched times 3).

hits_allowed

Number of hits made by opponents.

homeruns_allowed

Number of homeruns hit by opponents.

walks_allowed

Number of opponents who were walked.

strikeouts_by_pitchers

Number of opponents who were struckout.

errors

Number of errors.

double_plays

Number of double plays.

fielding_percentage

Teams fielding percentage.

team_name

Full name of team.

ball_park

Home ballpark name.

home_attendance

Home attendance total.

Examples

library(dplyr)

# List the World Series winning teams for each year
mlb_teams %>%
  filter(world_series_winner == "Y") %>%
  select(year, team_name, ball_park)
#>     year              team_name                     ball_park
#> 1   1884       Providence Grays         Messer Street Grounds
#> 2   1887     Detroit Wolverines               Recreation Park
#> 3   1888        New York Giants                Polo Grounds I
#> 4   1889        New York Giants               Polo Grounds II
#> 5   1903       Boston Americans     Huntington Avenue Grounds
#> 6   1905        New York Giants              Polo Grounds III
#> 7   1906      Chicago White Sox            South Side Park II
#> 8   1907           Chicago Cubs             West Side Park II
#> 9   1908           Chicago Cubs             West Side Park II
#> 10  1909     Pittsburgh Pirates  Exposition Park/Forbes Field
#> 11  1910 Philadelphia Athletics                    Shibe Park
#> 12  1911 Philadelphia Athletics                    Shibe Park
#> 13  1912         Boston Red Sox                 Fenway Park I
#> 14  1913 Philadelphia Athletics                    Shibe Park
#> 15  1914          Boston Braves         South End Grounds III
#> 16  1915         Boston Red Sox                 Fenway Park I
#> 17  1916         Boston Red Sox                 Fenway Park I
#> 18  1917      Chicago White Sox                 Comiskey Park
#> 19  1918         Boston Red Sox                 Fenway Park I
#> 20  1919        Cincinnati Reds                 Crosley Field
#> 21  1920      Cleveland Indians                League Park II
#> 22  1921        New York Giants               Polo Grounds IV
#> 23  1922        New York Giants               Polo Grounds IV
#> 24  1923       New York Yankees              Yankee Stadium I
#> 25  1924    Washington Senators            Griffith Stadium I
#> 26  1925     Pittsburgh Pirates                  Forbes Field
#> 27  1926    St. Louis Cardinals           Sportsman's Park IV
#> 28  1927       New York Yankees              Yankee Stadium I
#> 29  1928       New York Yankees              Yankee Stadium I
#> 30  1929 Philadelphia Athletics                    Shibe Park
#> 31  1930 Philadelphia Athletics                    Shibe Park
#> 32  1931    St. Louis Cardinals           Sportsman's Park IV
#> 33  1932       New York Yankees              Yankee Stadium I
#> 34  1933        New York Giants               Polo Grounds IV
#> 35  1934    St. Louis Cardinals           Sportsman's Park IV
#> 36  1935         Detroit Tigers                   Navin Field
#> 37  1936       New York Yankees              Yankee Stadium I
#> 38  1937       New York Yankees              Yankee Stadium I
#> 39  1938       New York Yankees              Yankee Stadium I
#> 40  1939       New York Yankees              Yankee Stadium I
#> 41  1940        Cincinnati Reds                 Crosley Field
#> 42  1941       New York Yankees              Yankee Stadium I
#> 43  1942    St. Louis Cardinals           Sportsman's Park IV
#> 44  1943       New York Yankees              Yankee Stadium I
#> 45  1944    St. Louis Cardinals           Sportsman's Park IV
#> 46  1945         Detroit Tigers                Briggs Stadium
#> 47  1946    St. Louis Cardinals           Sportsman's Park IV
#> 48  1947       New York Yankees              Yankee Stadium I
#> 49  1948      Cleveland Indians             Cleveland Stadium
#> 50  1949       New York Yankees              Yankee Stadium I
#> 51  1950       New York Yankees              Yankee Stadium I
#> 52  1951       New York Yankees              Yankee Stadium I
#> 53  1952       New York Yankees              Yankee Stadium I
#> 54  1953       New York Yankees              Yankee Stadium I
#> 55  1954        New York Giants               Polo Grounds IV
#> 56  1955       Brooklyn Dodgers                  Ebbets Field
#> 57  1956       New York Yankees              Yankee Stadium I
#> 58  1957       Milwaukee Braves                County Stadium
#> 59  1958       New York Yankees              Yankee Stadium I
#> 60  1959    Los Angeles Dodgers Los Angeles Memorial Coliseum
#> 61  1960     Pittsburgh Pirates                  Forbes Field
#> 62  1961       New York Yankees              Yankee Stadium I
#> 63  1962       New York Yankees              Yankee Stadium I
#> 64  1963    Los Angeles Dodgers                Dodger Stadium
#> 65  1964    St. Louis Cardinals           Sportsman's Park IV
#> 66  1965    Los Angeles Dodgers                Dodger Stadium
#> 67  1966      Baltimore Orioles              Memorial Stadium
#> 68  1967    St. Louis Cardinals              Busch Stadium II
#> 69  1968         Detroit Tigers                 Tiger Stadium
#> 70  1969          New York Mets                  Shea Stadium
#> 71  1970      Baltimore Orioles              Memorial Stadium
#> 72  1971     Pittsburgh Pirates          Three Rivers Stadium
#> 73  1972      Oakland Athletics              Oakland Coliseum
#> 74  1973      Oakland Athletics              Oakland Coliseum
#> 75  1974      Oakland Athletics              Oakland Coliseum
#> 76  1975        Cincinnati Reds            Riverfront Stadium
#> 77  1976        Cincinnati Reds            Riverfront Stadium
#> 78  1977       New York Yankees             Yankee Stadium II
#> 79  1978       New York Yankees             Yankee Stadium II
#> 80  1979     Pittsburgh Pirates          Three Rivers Stadium
#> 81  1980  Philadelphia Phillies              Veterans Stadium
#> 82  1981    Los Angeles Dodgers                Dodger Stadium
#> 83  1982    St. Louis Cardinals              Busch Stadium II
#> 84  1983      Baltimore Orioles              Memorial Stadium
#> 85  1984         Detroit Tigers                 Tiger Stadium
#> 86  1985     Kansas City Royals                Royals Stadium
#> 87  1986          New York Mets                  Shea Stadium
#> 88  1987        Minnesota Twins   Hubert H Humphrey Metrodome
#> 89  1988    Los Angeles Dodgers                Dodger Stadium
#> 90  1989      Oakland Athletics              Oakland Coliseum
#> 91  1990        Cincinnati Reds            Riverfront Stadium
#> 92  1991        Minnesota Twins   Hubert H Humphrey Metrodome
#> 93  1992      Toronto Blue Jays                       Skydome
#> 94  1993      Toronto Blue Jays                       Skydome
#> 95  1995         Atlanta Braves Atlanta-Fulton County Stadium
#> 96  1996       New York Yankees             Yankee Stadium II
#> 97  1997        Florida Marlins            Joe Robbie Stadium
#> 98  1998       New York Yankees             Yankee Stadium II
#> 99  1999       New York Yankees             Yankee Stadium II
#> 100 2000       New York Yankees             Yankee Stadium II
#> 101 2001   Arizona Diamondbacks             Bank One Ballpark
#> 102 2002         Anaheim Angels    Edison International Field
#> 103 2003        Florida Marlins            Pro Player Stadium
#> 104 2004         Boston Red Sox                Fenway Park II
#> 105 2005      Chicago White Sox           U.S. Cellular Field
#> 106 2006    St. Louis Cardinals             Busch Stadium III
#> 107 2007         Boston Red Sox                Fenway Park II
#> 108 2008  Philadelphia Phillies            Citizens Bank Park
#> 109 2009       New York Yankees            Yankee Stadium III
#> 110 2010   San Francisco Giants                     AT&T Park
#> 111 2011    St. Louis Cardinals             Busch Stadium III
#> 112 2012   San Francisco Giants                     AT&T Park
#> 113 2013         Boston Red Sox                Fenway Park II
#> 114 2014   San Francisco Giants                     AT&T Park
#> 115 2015     Kansas City Royals              Kauffman Stadium
#> 116 2016           Chicago Cubs                 Wrigley Field
#> 117 2017         Houston Astros              Minute Maid Park
#> 118 2018         Boston Red Sox                Fenway Park II
#> 119 2019   Washington Nationals                Nationals Park
#> 120 2020    Los Angeles Dodgers                Dodger Stadium

# List the teams with their average number of wins and losses
mlb_teams %>%
  group_by(team_name) %>%
  summarize(mean_wins = mean(wins), mean_losses = mean(losses)) %>%
  arrange((team_name))
#> # A tibble: 86 × 3
#>    team_name            mean_wins mean_losses
#>    <chr>                    <dbl>       <dbl>
#>  1 Anaheim Angels            83          79  
#>  2 Arizona Diamondbacks      77.7        79.8
#>  3 Atlanta Braves            81.2        76.3
#>  4 Baltimore Orioles         79.1        75.4
#>  5 Boston Americans          75.4        70.3
#>  6 Boston Beaneaters         72.6        61.0
#>  7 Boston Bees               71          81.2
#>  8 Boston Braves             68.3        83.5
#>  9 Boston Doves              54.8        97.2
#> 10 Boston Red Caps           42.7        32.3
#> # … with 76 more rows