Homefield advantage here we come!
If the Saints lose one of their final two, and the Vikings can win out, then the two teams would both be 14-2.
The first tie-breaker is head-to-head, which obviously doesn't apply.
The second tie-breaker is best won-loss percentage in games played within the conference. Here's where the Vikings have an advantage. If the Vikings win out, they would be 11-1 in the NFC. But if the Saints lose one of their final two, they would be 10-2.