The Yokohama DeNA BayStars are a professional baseball team based in Yokohama. The BayStars play in the Central League in Nippon Professional Baseball. Their home field is Yokohama Stadium, located in central Yokohama. The team has been known by several names since becoming a professional team in 1950, starting with the Taiyo Whales, Taiyo Shochiku Robins, Yosho Robins, Yokohama Taiyo Whales and Yokohama BayStars before obtaining their current moniker with the purchase of the team by software company DeNA in 2011.
In their 76 seasons of NPB play, the BayStars have won three Japan Series championships (1960, 1998, 2024), 9th most among all current NPB teams. They have finished first place in the Central League twice. In the Climax Series era since 2007, the BayStars have qualified for the playoffs seven times.
| W | Number of regular season wins |
|---|---|
| L | Number of regular season losses |
| T | Number of regular season ties |
| GB | Games behind from league's first-place team [a] |
| ROY | Rookie of the Year |
| MVP | Most Valuable Player |
| ESA | Eiji Sawamura Award |
| MSA | Matsutaro Shoriki Award |
| Japan Series Champions (1950–present) † | Central League Pennant (1950–present) | Central League Regular Season Champions (1950–present) ^ | Climax Series Berth (2007–present) ¤ |
| Season [1] | League | Finish | Wins | Losses | Ties | Win% | GB | Playoffs |
|---|---|---|---|---|---|---|---|---|
| Taiyo Whales | ||||||||
| 1950 | CL | 5th | 69 | 68 | 3 | .504 | 31.0 | |
| 1951 | CL | 6th | 40 | 64 | 4 | .385 | 37.0 | |
| 1952 | CL | 4th | 58 | 62 | 0 | .483 | 25.0 | |
| Taiyo Shochiku / Yosho Robins | ||||||||
| 1953 | CL | 5th | 52 | 77 | 1 | .403 | 37.5 | |
| 1954 | CL | 6th | 32 | 96 | 2 | .250 | 55.0 | |
| Taiyo Whales | ||||||||
| 1955 | CL | 6th | 31 | 99 | 0 | .238 | 61.5 | |
| 1956 | CL | 6th | 43 | 87 | 0 | .331 | 41.0 | |
| 1957 | CL | 6th | 52 | 74 | 4 | .415 | 21.5 | |
| 1958 | CL | 6th | 51 | 73 | 6 | .415 | 23.5 | |
| 1959 | CL | 6th | 49 | 77 | 4 | .392 | 28.5 | |
| 1960 | CL | 1st | 70 | 56 | 4 | .554 | — | Won Japan Series (Orions) 4–0 |
| 1961 | CL | 6th | 50 | 75 | 5 | .404 | 21.5 | |
| 1962 | CL | 2nd | 71 | 59 | 4 | .546 | 4.0 | |
| 1963 | CL | 5th | 59 | 79 | 2 | .428 | 24.0 | |
| 1964 | CL | 2nd | 80 | 58 | 2 | .580 | 1.0 | |
| 1965 | CL | 4th | 68 | 70 | 2 | .493 | 23.0 | |
| 1966 | CL | 5th | 52 | 78 | 0 | .400 | 37.0 | |
| 1967 | CL | 4th | 59 | 71 | 5 | .454 | 25.0 | |
| 1968 | CL | 5th | 59 | 71 | 3 | .454 | 18.0 | |
| 1969 | CL | 3rd | 61 | 61 | 8 | .500 | 11.0 | |
| 1970 | CL | 3rd | 69 | 57 | 4 | .548 | 10.0 | |
| 1971 | CL | 3rd | 61 | 59 | 10 | .508 | 8.0 | |
| 1972 | CL | 5th | 57 | 69 | 4 | .452 | 17.0 | |
| 1973 | CL | 5th | 60 | 64 | 6 | .484 | 5.0 | |
| 1974 | CL | 5th | 55 | 69 | 6 | .444 | 17.5 | |
| 1975 | CL | 5th | 51 | 69 | 10 | .425 | 21.5 | |
| 1976 | CL | 6th | 45 | 78 | 7 | .366 | 32.0 | |
| 1977 | CL | 6th | 51 | 68 | 11 | .429 | 25.5 | |
| Yokohama Taiyo Whales | ||||||||
| 1978 | CL | 4th | 64 | 57 | 9 | .529 | 7.5 | |
| 1979 | CL | 2nd | 59 | 54 | 17 | .522 | 6.0 | |
| 1980 | CL | 4th | 59 | 62 | 9 | .488 | 16.0 | |
| 1981 | CL | 6th | 42 | 80 | 8 | .344 | 31.5 | |
| 1982 | CL | 5th | 53 | 65 | 12 | .449 | 14.5 | |
| 1983 | CL | 3rd | 61 | 61 | 8 | .500 | 11.0 | |
| 1984 | CL | 6th | 46 | 77 | 7 | .374 | 30.5 | |
| 1985 | CL | 4th | 57 | 61 | 12 | .483 | 14.5 | |
| 1986 | CL | 4th | 56 | 69 | 5 | .448 | 20.0 | |
| 1987 | CL | 5th | 56 | 68 | 6 | .452 | 22.5 | |
| 1988 | CL | 4th | 59 | 67 | 4 | .468 | 20.5 | |
| 1989 | CL | 6th | 47 | 80 | 3 | .370 | 36.5 | |
| 1990 | CL | 3rd | 64 | 66 | 3 | .492 | 24.0 | |
| 1991 | CL | 5th | 64 | 66 | 1 | .492 | 10.0 | |
| 1992 | CL | 5th | 61 | 69 | 1 | .469 | 8.0 | |
| Yokohama BayStars | ||||||||
| 1993 | CL | 5th | 57 | 73 | 0 | .438 | 23.0 | |
| 1994 | CL | 6th | 61 | 69 | 0 | .469 | 9.0 | |
| 1995 | CL | 4th | 66 | 64 | 0 | .508 | 16.0 | |
| 1996 | CL | 5th | 55 | 75 | 0 | .423 | 22.0 | |
| 1997 | CL | 2nd | 72 | 63 | 0 | .533 | 11.0 | |
| 1998 | CL | 1st | 79 | 56 | 1 | .585 | — | Won Japan Series (Lions) 4–2 |
| 1999 | CL | 3rd | 71 | 64 | 0 | .526 | 10.0 | |
| 2000 | CL | 3rd | 69 | 66 | 1 | .512 | 9.0 | |
| 2001 | CL | 3rd | 69 | 67 | 4 | .507 | 8.0 | |
| 2002 | CL | 6th | 49 | 86 | 5 | .363 | 35.5 | |
| 2003 | CL | 6th | 45 | 94 | 1 | .325 | 42.5 | |
| 2004 | CL | 6th | 59 | 76 | 3 | .438 | 20.0 | |
| 2005 | CL | 3rd | 69 | 70 | 7 | .496 | 16.5 | |
| 2006 | CL | 6th | 58 | 84 | 4 | .408 | 29.5 | |
| 2007 | CL | 4th | 71 | 72 | 1 | .497 | 9 | |
| 2008 | CL | 6th | 48 | 94 | 2 | .340 | 36.5 | |
| 2009 | CL | 6th | 51 | 93 | 0 | .354 | 42.5 | |
| 2010 | CL | 6th | 48 | 95 | 1 | .337 | 32 | |
| 2011 | CL | 6th | 47 | 86 | 11 | .353 | 27.5 | |
| Yokohama DeNA BayStars | ||||||||
| 2012 | CL | 6th | 46 | 85 | 13 | .351 | 41.0 | |
| 2013 | CL | 5th | 64 | 79 | 1 | .448 | 23.0 | |
| 2014 | CL | 5th | 67 | 75 | 2 | .472 | 14.5 | |
| 2015 | CL | 6th | 62 | 80 | 1 | .437 | 14.5 | |
| 2016 | CL | 3rd¤ | 69 | 71 | 3 | .493 | 19.5 | Won Climax Series First Stage (Giants) 2–1 Lost Climax Series Final Stage (Carp) 1–4 |
| 2017 | CL | 3rd | 73 | 65 | 5 | .529 | 14.5 | Won Climax Series First Stage (Tigers) 2–1 Won Climax Series Final Stage (Carp) 2–4 Lost Japan Series (Hawks) 2–4 |
| 2018 | CL | 4th | 67 | 74 | 2 | .475 | 14.0 | |
| 2019 | CL | 2nd ¤ | 71 | 69 | 3 | .519 | 4.5 | Lost Climax Series First Stage (Tigers) 1–2 |
| 2020 | CL | 4th | 56 | 58 | 6 | .491 | 12 | |
| 2021 | CL | 6th | 54 | 73 | 16 | .425 | 20 | |
| 2022 | CL | 2nd ¤ | 73 | 68 | 2 | .518 | 8 | Lost Climax Series First Stage (Tigers) 1−2 |
| 2023 | CL | 3rd ¤ | 74 | 66 | 3 | .529 | 12 | Lost Climax Series First Stage (Carp) 0−2 |
| 2024 | CL | 3rd | 71 | 69 | 3 | .507 | 8 | Won Climax Series First Stage (Tigers) 2–0 Won Climax Series Second Stage (Giants) 3–4 Won Japan Series (Hawks) 4–2 |
| 2025 | CL | 2nd ¤ | 71 | 66 | 6 | .518 | 13 | Won Climax Series First Stage (Giants) 2–0 Lost Climax Series Second Stage (Tigers) 0–4 |