Matt Leinart helped the Cardinals end an eight-game skid.
The Cardinals ended their longest home stand since 1968 with an 11-5 record.
The Cardinals ended the season tied for first place with the Brooklyn Dodgers and the two teams met in the 1946 National League tie-breaker series.
The Cardinal ended the scoring with 23 seconds remaining with their second rushing touchdown of the game to bring the score to 51-21.
Two minutes in, the Cardinals scored a touchdown and ended Green Bay's playoff run.
The Cardinals ended a streak of 20 scoreless innings on Tony Pena's run-scoring groundout in the eighth.
However, the Cardinals first possession, a 97-yard drive that ended with Cantwell throwing a 19-yard touchdown pass, ended the streak.
The Cardinals ended the season with a record of 25-10 and ranked number 11.
With the loss, the Cardinals ended their season at 5-11.
The Cardinal claimed the title for the 12th time since the current team format was instituted in 1977 and ended the Bruins' hopes of an undefeated season.