The 49ers should be confident heading into the NFC championship game. This is their third trip to the conference title game in as many years, and they were without question the NFC’s best team for virtually the entire season. That doesn’t mean they’re just going to throw helmets on the field and win though, particularly against a Lions team that can exploit some of the 49ers’ biggest weaknesses.
Here are three causes for concern for San Francisco as they gear up for the NFC championship game: