The Diamonds continue to be a part of the Ontario Senior Baseball Association and also participate provincially at the Senior C level. For the 2026 season players need to be born in 2007 or earlier.

The York Diamonds senior team became a part of the York Baseball Association prior to the 2025 season.  The Diamonds participated in their first-ever OBA Provincial Tournament in 2025, going 2-2 at the "C" Championships hosted by Port Hope.  The team has a long and proud history playing out of North Keelesdale Park.  From the mid 1980's until 2010 the club was part of the Metro Senior Baseball League of Toronto, winning six league titles along the way.  Since 2011 the Diamonds have played in the Ontario Senior Baseball Association.  The league is currently comprised of ten teams, ranging from Mississauga in the west, to Vaughan in the north, to Port Hope in the east.

More information can be found on the team website at yorkdiamonds.ca

Or contact coach Paul Freeman at pfreeman38@rogers.com