1972
After a dispute over the players' pension plan, players strike April I. They return April 13 after owners agree to up contributions to plan. Games lost: 86.
1981
Players and owners disagree on free agency rules; players strike June 12. After reaching a compromise, players return Aug. 9. Season is split, with division champs declared for each half. Games lost: 712.
1985
Players strike Aug. 6 over free agency and salary arbitration. Deal reached next day. Games lost: none.
1990
Owners lock out players from spring camps Feb. 15. New four-year collective bargaining agreement is signed March 18. Games lost: none.
1994
Fearing management will implement salary cap after season, players strike Aug. 12. Playoffs and World Series are canceled. On April 2, 1995, sides return to work under conditions of expired deal. Games lost: 912 over two seasons.