NSL League Champions
			Manager # of titles
1979	York First Capitols	Dick Silar	1
1980	Cleveland Hit Men	Al Rapp	1
1981	Iron City Brewers	Greg Gay	1
1982	James Gang	Bob Harris	1
1983	Cleveland Hit Men	Al Rapp	2
1984	Lamoille County Fuzz	Jim Gillen	1
1985	South Amherst Cavaliers	Steve Herrick	1
1986	South Amherst Cavaliers	Steve Herrick	2
1987	Cleveland Hit Men	Al Rapp	3
1988	Lamoille County Fuzz	Jim Gillen	1
1989	3 Mile Island Tigers	Rick Ashby	1
1990	Gulf Breeze Aardvarks	Rich Pray	1
1991	Vermont Woodchucks	Dave Burnham	1
1992	Keystone Comanches	Jim Barnes	1
1993	York First Capitols	Dick Silar	2
1994	East York 66ers	Richard Mickley	1
1995	East York 66ers	Richard Mickley	2
1996	Creekside Crushers	Dave Mann	1
1997	East York 66ers	Richard Mickley	3
1998	Keystone Comanches	Jim Barnes	2
1999	East York 66ers	Richard Mickley	4
2000	Creekside Crushers	Dave Mann	2
2001	York First Capitols	Dick Silar	3
2002	East York 66ers	Richard Mickley	5
2003	Cleveland Hit Men	Al Rapp	4
2004	York First Capitols	Dick Silar	4
2005	Glenville Greys	Bill Kerr	1
2006	East York 66ers	Richard Mickley	6
2007	East York 66ers	Richard Mickley	7
2008	Duneland Crusaders	Dan Wilburn	1
2009	Creekside Crushers	Dave Mann	3
2010	Longstown Prospectors	Denny Becker	1
2011	Cleveland Hit Men	Al Rapp	5
2012	East York 66ers	Richard Mickley	8
2013	Albany Wildcats	Nathaniel Davis	1
2014	Magic City Maulers	Bryan Wilburn	1
2015	Creekside Crushers	Dave Mann	4
2016	Longstown Prospectors	Denny Becker	2
2017	Duneland Crusaders	Dan Wilburn	2
2018	Duneland Crusaders	Dan Wilburn	3
2019	Longstown Prospectors	Denny Becker	3
2020	Sparrow Lake Stallions	Mark Rapp	1
2021	East York 66ers	Richard Mickley	9
2022	Creekside Crushers	Dave Mann	5
2023	Marietta Mad Dogs	Bo Betbeze	1