This is a list of seasons of the National Lacrosse League (NLL), a professional box lacrosse league, since its inception in 1987. The list also includes the seasons of Eagle Pro Box Lacrosse League and the Major Indoor Lacrosse League, the predecessor leagues of the NLL, which had teams continue play in the NLL.
1. The Detroit Turbos and New England Blazers started play. The New Jersey Saints relocated to Long Island, New York, renamed the New York Saints.<br /> 2. The Pittsburgh Bulls started play. The Washington Wave dissolved.<br /> 3. The Buffalo Bandits started play. The New England Blazers relocated to Boston, Massachusetts, renamed the Boston Blazers.<br /> 4. The Pittsburgh Bulls were dissolved.<br /> 5. The Rochester Knighthawks started play. The Detroit Turbos were dissolved.<br /> 6. The Charlotte Cobras started play.<br /> 7. The Charlotte Cobras dissolved.
8. The Boston Blazers were dissolved. The Ontario Raiders and Syracuse Smash started play.<br /> 9. The Ontario Raiders relocated to Toronto, Ontario, renamed the Toronto Rock.<br /> 10. The Albany Attack started play. The Baltimore Thunder relocated to Pittsburgh, Pennsylvania, renamed the Pittsburgh CrosseFire.<br /> 11. The Columbus Landsharks began play. The Pittsburgh CrosseFire relocated to Washington, D.C., renamed the Washington Power. The Syracuse Smash relocated to Ottawa, Ontario, renamed the Ottawa Rebel.<br /> 12. The Calgary Roughnecks, Montreal Express, New Jersey Storm, and Vancouver Ravens started play.<br /> 13. The Montreal Express dissolved. The Washington Power relocated to Denver, Colorado, renamed the Colorado Mammoth.<br /> 14. The Ottawa Rebel and New York Saints dissolved. The Albany Attack relocated to San Jose, California, renamed the San Jose Stealth. The Columbus Landsharks relocated to Glendale, Arizona, renamed the Arizona Sting. The New Jersey Storm relocated to Anaheim, California, renamed the Anaheim Storm.<br /> 15. The Minnesota Swarm started play. The Vancouver Ravens dissolved.<br /> 16. The Edmonton Rush and the Portland LumberJax started play. The Anaheim Storm dissolved.<br /> 17. The Chicago Shamrox and the New York Titans started play.<br /> 18. The Arizona Sting dissolved.<br /> 19. The Boston Blazers started play.<br /> 20. The Portland LumberJax dissolved. The New York Titans relocated to Orlando, Florida, renamed the Orlando Titans. The San Jose Stealth relocated to Everett, Washington, renamed the Washington Stealth.<br /> 21. The Orlando Titans dissolved.<br /> 22. The Boston Blazers dissolved.<br /> 23. The Washington Stealth relocated to Langley, British Columbia, renamed the Vancouver Stealth.<br /> 24. The Philadelphia Wings relocated to Uncasville, Connecticut, renamed the New England Black Wolves.<br /> 25. The Edmonton Rush relocated to Saskatoon, Saskatchewan, renamed the Saskatchewan Rush. The Minnesota Swarm relocated to Duluth, Georgia, renamed the Georgia Swarm.<br /> 26. The Philadelphia Wings and the San Diego Seals started play.<br /> 27. The New York Riptide and the Rochester Knighthawks started play. The original Rochester Knighthawks franchise relocated to Halifax, Nova Scotia, renamed the Halifax Thunderbirds.<br /> 28. The Panther City Lacrosse Club started play. The New England Black Wolves relocated to Albany, New York, renamed the Albany FireWolves.<br /> 29. The Las Vegas Desert Dogs started play.<br /> 30. The New York Riptide relocated to Ottawa, Ontario, renamed the Ottawa Black Bears. The Panther City Lacrosse Club dissolved.<br /> 31. The Albany FireWolves relocated to Oshawa, Ontario, renamed the Oshawa FireWolves.