Brewer switched to competition in the pool .
Brewer gained prominence at Canada 's 1978 Commonwealth Games in Edmonton , winning a silver medal in the 200 - metre freestyle and one of each colour in the three relays .
Switching to competition in the pool , Brewer gained prominence at Canada 's 1978 Commonwealth Games in Edmonton , winning a silver medal in the 200 - metre freestyle and one of each colour in the three relays .