The 1941 Ottawa Rough Riders finished in 1st place in the Interprovincial Rugby Football Union with a 5 -- 1 record .
The 1941 Ottawa Rough Riders failed to defend as Grey Cup champions as the team lost the 29th Grey Cup to the Winnipeg Blue Bombers .
The 1941 Ottawa Rough Riders finished in 1st place in the Interprovincial Rugby Football Union with a 5 -- 1 record , but failed to defend as Grey Cup champions as the team lost the 29th Grey Cup to the Winnipeg Blue Bombers .