The Royal City Men’s Slo-Pitch League was organized on April 6, 1982 to promote and operate a competitive slo-pitch baseball program in the City of Guelph.

On September 24, 1986 the Executive of the League obtained Letters Patent and the Royal City Men’s Slo-Pitch League was incorporated as a non-profit corporation without share capital.

The League has grown from its original size of 10 teams and reached a peak of 38 teams. There are currently 28 teams playing in four separate divisional categories.

Past Presidents of the League:
  1982-1987 Gary Brunet  
  1988-1989 Dwayne Stahlbaum  
  1990-1991 Steve Pettis  
  1992-1994 Mike Hasler  
  1995-1998 John Moran  
  1999 Dave Sutherland  
  2000-2001 John Moran  
  2002-2004 Damian Mallard  
  2005-2009 Bob Nelson  
  2010-Present Jon Hebden