Statistics by Mark Hornbaker / dcbaseballhistory.com
Updated on March 11, 2017
| Top 10 Single Seasons – Home Runs | |||||
| Rank | Name | HR | Year | name | League |
| 1 | Frank Howard | 48 | 1969 | Senators | American |
| 2 | Alfonso Soriano | 46 | 2006 | Nationals | National |
| 3 | Frank Howard | 44 | 1968 | Senators | American |
| 4 | Frank Howard | 44 | 1970 | Senators | American |
| 5 | Roy Sievers | 42 | 1957 | Senators | American |
| 6 | Harmon Killebrew | 42 | 1959 | Senators | American |
| 7 | Bryce Harper | 42 | 2015 | Nationals | National |
| 8 | Roy Sievers | 39 | 1958 | Senators | American |
| 9 | Jim Lemon | 38 | 1960 | Senators | American |
| 10 | Adam Dunn | 38 | 2009 | Nationals | National |
| Adam Dunn | 38 | 2010 | Nationals | National | |
| Top 10 Single Seasons – Average | |||||
| Rank | NAME | AVG | Year | name2 | League |
| 1 | Goose Goslin | 0.379 | 1928 | Senators | American |
| 2 | Ed Delahanty | 0.376 | 1902 | Senators | American |
| 3 | Cecil Travis | 0.359 | 1941 | Senators | American |
| 4 | Goose Goslin | 0.354 | 1926 | Senators | American |
| 5 | Mickey Vernon | 0.353 | 1946 | Senators | American |
| 6 | Sam Rice | 0.350 | 1925 | Senators | American |
| 7 | Buddy Myer | 0.349 | 1935 | Senators | American |
| 8 | Sam Rice | 0.349 | 1930 | Senators | American |
| 9 | Heinie Manush | 0.349 | 1934 | Senators | American |
| 10 | Daniel Murphy | 0.347 | 2016 | Nationals | National |
| Top 10 Single Seasons – Base Hits | |||||
| Rank | Name | H | Year | name | League |
| 1 | Sam Rice | 227 | 1925 | Senators | American |
| 2 | Heinie Manush | 221 | 1933 | Senators | American |
| 3 | Cecil Travis | 218 | 1941 | Senators | American |
| 4 | Sam Rice | 216 | 1924 | Senators | American |
| 5 | Sam Rice | 216 | 1926 | Senators | American |
| 6 | Buddy Myer | 215 | 1935 | Senators | American |
| 7 | Heinie Manush | 214 | 1932 | Senators | American |
| 8 | Sam Rice | 211 | 1920 | Senators | American |
| 9 | Buddy Lewis | 210 | 1937 | Senators | American |
| 10 | Mickey Vernon | 207 | 1946 | Senators | American |
| 10 | Sam Rice | 207 | 1930 | Senators | American |
| Top 10 Single Seasons – RBI’s | |||||
| Rank | NAME | RBI | Year | name2 | League |
| 1 | Goose Goslin | 129 | 1924 | Senators | American |
| 2 | Joe Cronin | 126 | 1930 | Senators | American |
| 3 | Joe Cronin | 126 | 1931 | Senators | American |
| 4 | Frank Howard | 126 | 1970 | Senators | American |
| 5 | Buck Freeman | 122 | 1899 | Senators | National |
| 6 | Goose Goslin | 120 | 1927 | Senators | American |
| 7 | Joe Kuhel | 118 | 1936 | Senators | American |
| 8 | Joe Cronin | 118 | 1933 | Senators | American |
| 9 | Heinie Manush | 116 | 1932 | Senators | American |
| 10 | Joe Cronin | 116 | 1932 | Senators | American |
| Top 10 Single Seasons – Stolen Bases | |||||
| Rank | Name | SB | Year | name | League |
| 1 | Clyde Milan | 88 | 1912 | Senators | American |
| 2 | Dummy Hoy | 82 | 1888 | Senators | National |
| 3 | Clyde Milan | 75 | 1913 | Senators | American |
| 4 | Sam Rice | 63 | 1920 | Senators | American |
| 5 | Danny Moeller | 62 | 1913 | Senators | American |
| 6 | George Case | 61 | 1943 | Senators | American |
| 7 | Dummy Hoy | 60 | 1892 | Senators | National |
| 8 | Clyde Milan | 58 | 1911 | Senators | American |
| 9 | George Case | 51 | 1939 | Senators | American |
| 10 | Ed Cartwright | 50 | 1895 | Senators | National |
| Top 10 Single Seasons – On Base % | |||||
| Rank | Name | OBP | Year | name | League |
| 1 | Bryce Harper | 0.460 | 2015 | Nationals | National |
| 2 | Ed Delahanty | 0.453 | 1902 | Senators | American |
| 3 | Bill Joyce | 0.442 | 1895 | Senators | National |
| 4 | Goose Goslin | 0.442 | 1928 | Senators | American |
| 5 | Buddy Myer | 0.440 | 1935 | Senators | American |
| 6 | Eddie Yost | 0.440 | 1950 | Senators | American |
| 7 | Nick Johnson | 0.428 | 2006 | Nationals | National |
| 8 | Goose Goslin | 0.425 | 1926 | Senators | American |
| 9 | Eddie Yost | 0.423 | 1951 | Senators | American |
| 10 | Joe Cronin | 0.422 | 1930 | Senators | American |
| Top 10 Single Seasons – Total Bases | |||||
| Rank | Name | TB | Year | name | League |
| 1 | Alfonso Soriano | 362 | 2006 | Nationals | National |
| 2 | Frank Howard | 340 | 1969 | Senators | American |
| 3 | Bryce Harper | 338 | 2015 | Nationals | National |
| 4 | Roy Sievers | 331 | 1957 | Senators | American |
| 5 | Buck Freeman | 331 | 1899 | Senators | National |
| 6 | Frank Howard | 330 | 1968 | Senators | American |
| 7 | Goose Goslin | 329 | 1925 | Senators | American |
| 8 | Heinie Manush | 325 | 1932 | Senators | American |
| 9 | Ryan Zimmerman | 320 | 2009 | Nationals | National |
| 10 | Cecil Travis | 316 | 1941 | Senators | American |
| Daniel Murphy | 316 | 2016 | Nationals | National | |
| Top 10 Single Seasons – Doubles | |||||
| Rank | Name | 2B | Year | name | League |
| 1 | Mickey Vernon | 51 | 1946 | Senators | American |
| 2 | Stan Spence | 50 | 1946 | Senators | American |
| 3 | Daniel Murphy | 47 | 2016 | Nationals | National |
| 4 | Ryan Zimmerman | 47 | 2006 | Nationals | National |
| 5 | Nick Johnson | 46 | 2006 | Nationals | National |
| 6 | Joe Cronin | 45 | 1933 | Senators | American |
| 7 | Joe Cronin | 44 | 1931 | Senators | American |
| 8 | Mickey Vernon | 43 | 1953 | Senators | American |
| 9 | Ryan Zimmerman | 43 | 2007 | Nationals | National |
| 10 | Ed Delahanty | 43 | 1902 | Senators | American |
| Joe Cronin | 43 | 1932 | Senators | American | |
| Sam West | 43 | 1931 | Senators | American | |
| Tris Speaker | 43 | 1927 | Senators | American | |
| Ryan Church | 43 | 2007 | Nationals | National | |
| Top 10 Single Seasons – Triples | |||||
| Rank | Name | 3B | Year | name | League |
| 1 | Buck Freeman | 25 | 1899 | Senators | National |
| 2 | Kip Selbach | 22 | 1895 | Senators | National |
| 3 | Goose Goslin | 20 | 1925 | Senators | American |
| 4 | Joe Cassidy | 19 | 1904 | Senators | American |
| 5 | Cecil Travis | 19 | 1941 | Senators | American |
| 6 | Howie Shanks | 18 | 1921 | Senators | American |
| 7 | Goose Goslin | 18 | 1923 | Senators | American |
| 8 | Sam Rice | 18 | 1923 | Senators | American |
| 9 | Joe Cronin | 18 | 1932 | Senators | American |
| 10 | Charlie Abbey | 18 | 1894 | Senators | National |
| John Stone | 18 | 1935 | Senators | American | |
