Article content With most provinces cancelling playdowns and naming representatives, the 18-team fields for the 2021 Tim Hortons Brier and Scotties Tournament of Hearts are starting to take shape, but the final lists wonât be released without some controversy. Curling Canada has announced itâs working on putting together 18-team fields for the menâs and womenâs Canadian championships, which will be played in a bubble environment at Calgaryâs Canada Olympic Park starting next month. We apologize, but this video has failed to load. Try refreshing your browser, or ON THE ROCKS: Four-time world champ Howard says increased curling bubble fields are âawesomeâ but also âmore convoluted and controversialâ Back to video