Single-Season Top 10 Leaders

WAR Position Players †
1. Carl Yastrzemski • 1967 12.5
2. Mookie Betts • 2018 10.7
3. Ted Williams • 1946 10.6
4. Ted Williams • 1942 10.5
Carl Yastrzemski • 1968 10.5
6. Ted Williams • 1941 10.4
7. Tris Speaker • 1912 10.2
8. Rico Petrocelli • 1969 10.0
Tris Speaker • 1914 10.0
10. Ted Williams • 1957 9.7
Offensive WAR †
1. Ted Williams • 1941 10.7
2. Ted Williams • 1946 10.1
3. Ted Williams • 1942 10.0
4. Carl Yastrzemski • 1967 9.9
5. Ted Williams • 1947 9.6
6. Ted Williams • 1957 9.5
7. Tris Speaker • 1912 9.3
8. Ted Williams • 1949 9.1
9. Carl Yastrzemski • 1970 8.9
10. Mookie Betts • 2018 8.7
Defensive WAR †
1. Jim Piersall • 1956 3.2
2. John Valentin • 1993 3.1
3. Rick Burleson • 1979 3.0
Everett Scott • 1918 3.0
John Valentin • 1995 3.0
6. Mookie Betts • 2016 2.7
Rico Petrocelli • 1969 2.7
Jim Piersall • 1955 2.7
9. Mookie Betts • 2017 2.6
Rico Petrocelli • 1968 2.6
Everett Scott • 1921 2.6
Batting Average
1. Ted Williams • 1941 .406
2. Ted Williams • 1957 .388
3. Tris Speaker • 1912 .383
4. Nomar Garciaparra • 2000 .372
5. Ted Williams • 1948 .369
6. Wade Boggs • 1985 .368
7. Wade Boggs • 1988 .366
8. Wade Boggs • 1987 .363
Tris Speaker • 1913 .363
10. Wade Boggs • 1983 .361
On-Base%
1. Ted Williams • 1941 .553
2. Ted Williams • 1957 .526
3. Ted Williams • 1954 .513
4. Ted Williams • 1942 .499
Ted Williams • 1947 .499
6. Ted Williams • 1946 .497
Ted Williams • 1948 .497
8. Ted Williams • 1949 .490
9. Ted Williams • 1956 .479
10. Wade Boggs • 1988 .476
Slugging %
1. Ted Williams • 1941 .735
2. Ted Williams • 1957 .731
3. Jimmie Foxx • 1938 .704
4. Jimmie Foxx • 1939 .694
5. Ted Williams • 1946 .667
6. Babe Ruth • 1919 .657
7. Ted Williams • 1949 .650
8. Ted Williams • 1942 .648
9. Manny Ramirez • 2002 .647
10. Mookie Betts • 2018 .640
On-Base Plus Slugging
1. Ted Williams • 1941 1.287
2. Ted Williams • 1957 1.257
3. Jimmie Foxx • 1938 1.166
4. Ted Williams • 1946 1.164
5. Jimmie Foxx • 1939 1.158
6. Ted Williams • 1954 1.148
7. Ted Williams • 1942 1.147
8. Ted Williams • 1949 1.141
9. Ted Williams • 1947 1.133
10. Babe Ruth • 1919 1.114
Games Played
1. Jim Rice • 1978 163
2. Bill Buckner • 1985 162
Dwight Evans • 1982 162
Dwight Evans • 1984 162
George Scott • 1966 162
Carl Yastrzemski • 1969 162
7. Wade Boggs • 1985 161
Mo Vaughn • 1996 161
Carl Yastrzemski • 1967 161
Carl Yastrzemski • 1970 161
At Bats
1. Nomar Garciaparra • 1997 684
2. Jim Rice • 1978 677
3. Bill Buckner • 1985 673
4. Mookie Betts • 2016 672
5. Jarren Duran • 2024 671
6. Rick Burleson • 1977 663
7. Doc Cramer • 1940 661
8. Jacoby Ellsbury • 2011 660
9. Doc Cramer • 1938 658
Nomar Garciaparra • 2003 658
Plate Appearances
1. Wade Boggs • 1985 758
2. Dom DiMaggio • 1948 756
3. Mo Vaughn • 1996 752
4. Jim Rice • 1978 746
5. Dwight Evans • 1985 744
6. Wade Boggs • 1989 742
7. Dwight Evans • 1984 738
Chuck Schilling • 1961 738
9. Jarren Duran • 2024 735
10. Nomar Garciaparra • 1997 734
Runs Scored
1. Ted Williams • 1949 150
2. Ted Williams • 1946 142
3. Ted Williams • 1942 141
4. Jimmie Foxx • 1938 139
5. Tris Speaker • 1912 136
6. Mookie Betts • 2019 135
Ted Williams • 1941 135
8. Ted Williams • 1940 134
9. Dom DiMaggio • 1950 131
Ted Williams • 1939 131
Hits
1. Wade Boggs • 1985 240
2. Tris Speaker • 1912 222
3. Mookie Betts • 2016 214
Wade Boggs • 1988 214
5. Adrián González • 2011 213
Dustin Pedroia • 2008 213
Jim Rice • 1978 213
8. Jacoby Ellsbury • 2011 212
9. Wade Boggs • 1983 210
10. Nomar Garciaparra • 1997 209
Total Bases
1. Jim Rice • 1978 406
2. Jimmie Foxx • 1938 398
3. Jim Rice • 1977 382
4. Mo Vaughn • 1996 370
5. Jimmie Foxx • 1936 369
Jim Rice • 1979 369
7. Ted Williams • 1949 368
8. Nomar Garciaparra • 1997 365
9. Jacoby Ellsbury • 2011 364
10. David Ortiz • 2005 363
Doubles
1. Earl Webb • 1931 67
2. Nomar Garciaparra • 2002 56
3. Rafael Devers • 2019 54
Dustin Pedroia • 2008 54
5. Tris Speaker • 1912 53
6. Xander Bogaerts • 2019 52
David Ortiz • 2007 52
8. Wade Boggs • 1989 51
Joe Cronin • 1938 51
Nomar Garciaparra • 2000 51
Triples
1. Tris Speaker • 1913 22
2. Buck Freeman • 1903 20
3. Buck Freeman • 1902 19
Buck Freeman • 1904 19
Larry Gardner • 1914 19
Chick Stahl • 1904 19
7. Larry Gardner • 1912 18
Tris Speaker • 1914 18
9. Jimmy Collins • 1903 17
Harry Hooper • 1920 17
Freddy Parent • 1903 17
Russ Scarritt • 1929 17
Home Runs
1. David Ortiz • 2006 54
2. Jimmie Foxx • 1938 50
3. David Ortiz • 2005 47
4. Jim Rice • 1978 46
5. Manny Ramirez • 2005 45
6. Mo Vaughn • 1996 44
Carl Yastrzemski • 1967 44
8. Tony Armas • 1984 43
J.D. Martinez • 2018 43
Manny Ramirez • 2004 43
Ted Williams • 1949 43
Runs Batted In
1. Jimmie Foxx • 1938 175
2. Vern Stephens • 1949 159
Ted Williams • 1949 159
4. David Ortiz • 2005 148
5. Ted Williams • 1939 145
6. Walt Dropo • 1950 144
Manny Ramirez • 2005 144
Vern Stephens • 1950 144
9. Jimmie Foxx • 1936 143
Mo Vaughn • 1996 143
Bases on Balls
1. Ted Williams • 1947 162
Ted Williams • 1949 162
3. Ted Williams • 1946 156
4. Ted Williams • 1941 147
5. Ted Williams • 1942 145
6. Ted Williams • 1951 144
7. Ted Williams • 1954 136
8. Carl Yastrzemski • 1970 128
9. Ted Williams • 1948 126
10. Wade Boggs • 1988 125
Strikeouts
1. Mike Napoli • 2013 187
2. Mark Bellhorn • 2004 177
3. Jason Bay • 2009 162
Butch Hobson • 1977 162
5. Jarren Duran • 2024 160
6. Tyler O'Neill • 2024 159
7. Tony Armas • 1984 156
Bobby Dalbec • 2021 156
9. Jackie Bradley Jr. • 2019 155
10. Mo Vaughn • 1996 154
Mo Vaughn • 1997 154
Stolen Bases
1. Jacoby Ellsbury • 2009 70
2. Tommy Harper • 1973 54
3. Jacoby Ellsbury • 2013 52
Tris Speaker • 1912 52
5. Jacoby Ellsbury • 2008 50
6. Tris Speaker • 1913 46
7. Otis Nixon • 1994 42
Tris Speaker • 1914 42
9. Harry Hooper • 1910 40
Billy Werber • 1934 40
Singles
1. Wade Boggs • 1985 187
2. Johnny Pesky • 1947 172
3. Johnny Pesky • 1942 165
4. Wade Boggs • 1984 162
5. Doc Cramer • 1940 160
Patsy Dougherty • 1903 160
7. Johnny Pesky • 1946 159
8. Wade Boggs • 1988 158
9. Wade Boggs • 1983 154
Doc Cramer • 1938 154
Adjusted OPS+
1. Ted Williams • 1941 235
2. Ted Williams • 1957 233
3. Babe Ruth • 1919 217
4. Ted Williams • 1942 216
5. Ted Williams • 1946 215
6. Ted Williams • 1947 205
7. Ted Williams • 1954 201
8. Carl Yastrzemski • 1967 193
9. Ted Williams • 1949 191
10. Tris Speaker • 1912 190
Runs Created
1. Jimmie Foxx • 1938 183
Ted Williams • 1941 183
3. Ted Williams • 1949 180
4. Ted Williams • 1946 170
5. Ted Williams • 1942 168
6. Ted Williams • 1957 167
7. Ted Williams • 1947 166
8. Jimmie Foxx • 1936 163
9. Mo Vaughn • 1996 158
10. Carl Yastrzemski • 1970 157
Adj. Batting Runs
1. Ted Williams • 1941 104
2. Ted Williams • 1942 93
Ted Williams • 1946 93
4. Ted Williams • 1947 89
Ted Williams • 1957 89
6. Ted Williams • 1949 86
7. Jimmie Foxx • 1938 75
Ted Williams • 1948 75
9. Tris Speaker • 1912 73
10. Babe Ruth • 1919 72
Carl Yastrzemski • 1967 72
Adj. Batting Wins
1. Ted Williams • 1941 9.8
2. Ted Williams • 1942 9.3
Ted Williams • 1946 9.3
4. Ted Williams • 1947 8.9
5. Ted Williams • 1957 8.7
6. Ted Williams • 1949 8.2
7. Carl Yastrzemski • 1967 7.7
8. Tris Speaker • 1912 7.6
9. Babe Ruth • 1919 7.3
10. Ted Williams • 1948 7.2
Extra Base Hits
1. Jimmie Foxx • 1938 92
2. David Ortiz • 2004 91
3. Rafael Devers • 2019 90
4. David Ortiz • 2005 88
David Ortiz • 2007 88
6. David Ortiz • 2016 87
Manny Ramirez • 2004 87
8. Jim Rice • 1978 86
Ted Williams • 1939 86
10. Xander Bogaerts • 2019 85
Nomar Garciaparra • 1997 85
Nomar Garciaparra • 2002 85
David Ortiz • 2006 85
Ted Williams • 1949 85
Times On Base
1. Ted Williams • 1949 358
2. Ted Williams • 1947 345
3. Wade Boggs • 1988 342
4. Wade Boggs • 1985 340
5. Ted Williams • 1941 335
Ted Williams • 1942 335
7. Ted Williams • 1946 334
8. Wade Boggs • 1989 319
9. Ted Williams • 1948 317
10. Jimmie Foxx • 1938 316
Mo Vaughn • 1996 316
Offensive Win %
1. Ted Williams • 1957 .920
2. Ted Williams • 1941 .914
3. Ted Williams • 1954 .892
4. Ted Williams • 1942 .890
5. Ted Williams • 1946 .889
6. Ted Williams • 1947 .879
7. Babe Ruth • 1919 .872
8. Carl Yastrzemski • 1967 .864
9. Ted Williams • 1948 .862
10. Ted Williams • 1949 .856
Hit By Pitch
1. Don Baylor • 1986 35
2. Don Baylor • 1987 24
3. Shane Victorino • 2013 18
4. Jack Barry • 1916 17
Kevin Millar • 2004 17
6. Kevin Youkilis • 2009 16
7. Daniel Nava • 2013 15
Jake Stahl • 1908 15
Jake Stahl • 1909 15
Kevin Youkilis • 2007 15
Sacrifice Hits
1. Jack Barry • 1917 54
2. Ossie Vitt • 1919 47
3. Stuffy McInnis • 1920 45
4. Everett Scott • 1917 41
5. Larry Gardner • 1917 40
6. Bill Wambsganss • 1924 37
7. Harry Lord • 1908 36
Dave Shean • 1918 36
9. Stuffy McInnis • 1921 35
Freddy Parent • 1905 35
Intentional Bases on Balls
1. Ted Williams • 1957 33
2. Ted Williams • 1946 29
Ted Williams • 1947 29
4. Manny Ramirez • 2003 28
5. David Ortiz • 2013 27
6. Wade Boggs • 1991 25
Manny Ramirez • 2001 25
Ted Williams • 1941 25
9. David Ortiz • 2006 23
Mo Vaughn • 1993 23
Double Plays Grounded Into
1. Jim Rice • 1984 36
2. Jim Rice • 1985 35
3. Jackie Jensen • 1954 32
4. Tony Armas • 1983 31
Bobby Doerr • 1949 31
Jim Rice • 1983 31
7. Carl Yastrzemski • 1964 30
8. Jim Rice • 1982 29
9. Adrián González • 2011 28
10. Joe Vosmik • 1939 27
Carl Yastrzemski • 1962 27
Caught Stealing
1. Duffy Lewis • 1914 31
2. Tris Speaker • 1914 29
3. Tris Speaker • 1912 28
4. Tris Speaker • 1915 25
5. Larry Gardner • 1912 23
Larry Gardner • 1914 23
7. Jake Stahl • 1912 22
8. Harry Hooper • 1912 20
Harry Hooper • 1915 20
Hal Janvrin • 1914 20
Heinie Wagner • 1912 20
SB %
1. Xander Bogaerts • 2020 100.00
Lee Tinsley • 1994 100.00
3. Dustin Pedroia • 2008 95.24
4. Johnny Damon • 2005 94.74
5. Jackie Bradley Jr. • 2018 94.44
6. Xander Bogaerts • 2017 93.75
7. Jacoby Ellsbury • 2013 92.86
8. Jarren Duran • 2023 92.31
9. Mookie Betts • 2017 89.66
10. David Hamilton • 2024 89.19
Power-Speed #
1. Jacoby Ellsbury • 2011 35.2
2. Mookie Betts • 2018 31.0
3. Carl Yastrzemski • 1970 29.2
4. Mookie Betts • 2016 28.3
5. Jarren Duran • 2024 26.0
6. Tommy Harper • 1973 25.9
7. Nomar Garciaparra • 1997 25.4
8. Mookie Betts • 2017 25.0
9. Jackie Jensen • 1954 23.4
10. Jackie Jensen • 1959 23.3
AB per SO
1. Stuffy McInnis • 1921 64.9
2. Del Pratt • 1921 52.1
3. Billy Goodman • 1953 46.7
4. Ossie Vitt • 1919 42.6
5. Stuffy McInnis • 1918 42.3
6. Lou Finney • 1940 41.1
7. Doc Cramer • 1937 40.0
Stuffy McInnis • 1919 40.0
9. Tris Speaker • 1915 39.1
10. Tom Oliver • 1932 37.9
Everett Scott • 1920 37.9
AB per HR
1. David Ortiz • 2006 10.3
2. Ted Williams • 1957 11.1
3. Jimmie Foxx • 1938 11.3
4. Manny Ramirez • 2005 12.3
Ted Williams • 1941 12.3
6. David Ortiz • 2005 12.8
Manny Ramirez • 2006 12.8
8. Manny Ramirez • 2001 12.9
9. J.D. Martinez • 2018 13.2
Manny Ramirez • 2002 13.2
Manny Ramirez • 2004 13.2
Ted Williams • 1949 13.2
Carl Yastrzemski • 1967 13.2
Outs Made
1. Jim Rice • 1984 515
2. Rick Burleson • 1980 512
3. Rick Burleson • 1978 510
4. Bill Wambsganss • 1924 507
5. Bill Buckner • 1985 505
Rick Burleson • 1977 505
Chuck Schilling • 1961 505
8. Jerry Remy • 1982 504
9. Nomar Garciaparra • 1997 502
10. Bill Buckner • 1986 498
Base-Out Runs Added (RE24) †
1. Ted Williams • 1948 103.91
2. Ted Williams • 1941 94.55
3. Ted Williams • 1942 92.88
4. Jimmie Foxx • 1938 91.19
5. Ted Williams • 1949 90.98
6. Carl Yastrzemski • 1967 87.05
7. Ted Williams • 1957 85.87
8. Ted Williams • 1951 85.23
9. Babe Ruth • 1919 82.44
10. Ted Williams • 1946 82.43
Win Probability Added (WPA) †
1. Ted Williams • 1942 9.8
2. Babe Ruth • 1919 9.0
3. David Ortiz • 2005 8.8
4. Carl Yastrzemski • 1967 8.5
5. Ted Williams • 1957 8.3
6. Ted Williams • 1941 8.0
7. David Ortiz • 2006 7.8
8. Ted Williams • 1946 7.7
9. Ted Williams • 1948 7.6
10. Ted Williams • 1949 7.4
Situ. Wins Added (WPA/LI) †
1. Carl Yastrzemski • 1967 9.4
2. Ted Williams • 1957 9.3
3. Ted Williams • 1941 8.4
4. Ted Williams • 1942 8.3
5. Ted Williams • 1949 8.2
6. Ted Williams • 1948 7.9
7. Ted Williams • 1946 7.8
Carl Yastrzemski • 1970 7.8
9. Jimmie Foxx • 1938 7.2
Carl Yastrzemski • 1968 7.2
Championship WPA (cWPA) †
1. Carl Yastrzemski • 1967 52.1
2. Ted Williams • 1948 23.4
3. Babe Ruth • 1918 19.7
4. Ted Williams • 1949 17.4
5. Harry Hooper • 1918 17.1
6. Tris Speaker • 1912 16.4
7. Ted Williams • 1951 15.0
8. Dalton Jones • 1967 12.2
9. Ted Williams • 1946 12.1
10. Johnny Pesky • 1949 10.9
Base-Out Wins Added (REW) †
1. Ted Williams • 1948 9.6
2. Ted Williams • 1942 9.2
3. Carl Yastrzemski • 1967 8.9
4. Ted Williams • 1941 8.8
5. Babe Ruth • 1919 8.5
6. Ted Williams • 1949 8.4
7. Ted Williams • 1957 8.2
8. Ted Williams • 1946 8.0
9. Jimmie Foxx • 1938 7.9
Ted Williams • 1951 7.9
rOBA †
1. Ted Williams • 1941 .554
2. Ted Williams • 1957 .548
3. Ted Williams • 1949 .516
4. Ted Williams • 1942 .514
5. Ted Williams • 1946 .513
Ted Williams • 1954 .513
7. Babe Ruth • 1919 .509
8. Ted Williams • 1948 .505
9. Ted Williams • 1947 .504
10. Ted Williams • 1956 .500
Rbat+ †
1. Ted Williams • 1957 250
2. Ted Williams • 1941 242
3. Ted Williams • 1946 224
4. Ted Williams • 1942 219
5. Babe Ruth • 1919 217
6. Ted Williams • 1947 212
7. Ted Williams • 1954 209
8. Carl Yastrzemski • 1967 207
9. Ted Williams • 1949 197
10. Ted Williams • 1948 195

Data Notes