The 1980 Nippon Professional Baseball season was the 31st season of operation for the league.
Regular season standings
Central League Central League G W L T Pct. GBHiroshima Toyo Carp 130 73 44 13 .624 –Yakult Swallows 130 68 52 10 .567 6.5Yomiuri Giants 130 61 60 9 .504 14.0Yokohama Taiyo Whales 130 59 62 9 .488 16.0Hanshin Tigers 130 54 66 10 .450 20.5Chunichi Dragons 130 45 76 9 .372 30.0
Pacific League Pacific League G W L T Pct. 1st half ranking 2nd half rankingKintetsu Buffaloes 130 68 54 8 .557 2 1Lotte Orions 130 64 51 15 .557 1 3Nippon-Ham Fighters 130 66 53 11 .555 2 2Seibu Lions 130 62 64 4 .492 6 4Hankyu Braves 130 58 67 5 .464 4 5Nankai Hawks 130 48 77 5 .384 5 6
Pacific League playoff The Pacific League teams with the best first and second-half records met in a best-of-five playoff series to determine the league representative in the Japan Series.
Kintetsu Buffaloes won the series 3–0. GameScoreDateLocation1 Orions – 1, Buffaloes – 4 October 15Kawasaki Stadium2 Orions – 2, Buffaloes – 4 October 16Kawasaki Stadium3 Buffaloes – 13, Orions – 4 October 18Osaka Stadium
Japan Series
Hiroshima Toyo Carp won the series 4–3. GameScoreDateLocationAttendance1 Carp – 4, Buffaloes – 6 October 25Hiroshima Municipal Stadium 29,0372 Carp – 2, Buffaloes – 9 October 26Hiroshima Municipal Stadium 29,6683 Buffaloes – 3, Carp – 4 October 28Osaka Stadium 17,3714 Buffaloes – 0, Carp – 2 October 29Osaka Stadium 21,2545 Buffaloes – 6, Carp – 2 October 30Osaka Stadium 22,2876 Carp – 6, Buffaloes – 2 November 1Hiroshima Municipal Stadium 29,2977 Carp – 8, Buffaloes – 3 November 2Hiroshima Municipal Stadium 29,952
See also 1980 Major League Baseball season
References