Tom Laing Ball Diamonds Tom Laing Park was built in 1987/1988 to host the Canadian Junior Baseball Championships. The park is located along 1st Ave. NW, adjacent to the Exhibition Grounds. The park boasts a fastball diamond as well as a lighted baseball diamond, which is home to the Western Canadian Baseball League’s Weyburn Beavers. For more information phone (306) 848-3290. Find our more about the Beavers here!