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 Avenue NW, adjacent to the Exhibition Grounds. The Park boasts a fastball diamond as well as a lighted baseball diamond, which is home to the WMBL’s Weyburn Senior Beavers. For more information phone 306.848.3290 or email. View the Beavers schedule here!