Complex sentence: Middaugh would have immediate success with his new team, qualifying for the 2012 Tim Hortons Brier where the rink lost only one game during the event, and defeated Alberta's Kevin Koe in the final.
Split into simpler sentences: Middaugh would have immediate success with his new team, qualifying for the 2012 Tim Hortons Brier. The rink just lost one game during the event, and would go on to win, defeating Alberta's Kevin Koe in the final.