The two - time defending champion Oilers were nearly unbeatable against Calgary , losing just five of 31 matchups over three years .
The Battle of Alberta dominated the Flames ' focus late in the season as they continued to struggle against their provincial rival .
The two - time defending champion Oilers were nearly unbeatable against Flames , losing just five of 31 matchups over three years .
The Battle of Alberta dominated the Flames ' focus late in the season as they continued to struggle against their provincial rival .