The "Defense wins championships" adage didn't arise out of nowhere. It's a tried and true method tested over multiple decades of different eras of the NFL, and one that bodes well for the 49ers in Super Bowl LIV against the Kanas City Chiefs.

San Francisco finished the regular season with the No. 2-ranked defense in the league behind only the New England Patriots. The Niners have been even better on that side of the ball through two playoff contests, where they've held their opponents to nearly 30 fewer total yards per game. That defense will face arguably its toughest test all year long in Patrick Mahomes and the Chiefs, but based on history, there is reason to believe it will hold up.

As ESPN's Dan Orlovsky discussed on Tuesday morning's episode of "Get Up", teams with a top-two ranked defense have a very good track record in the Super Bowl. In fact, it has usually taken a Hall of Fame quarterback to overcome that defense.

Our convo on @GetUpESPN this morning.

A top 2 ranked defense has played in Super Bowl 20 times. In those 20 games those defenses are 15-5, avg giving up 18 points

The 5 losses are to Brady/Rodgers/Bradshaw/Plunkett/Theisman. 3 HOF’ers@49ers D is 2nd in NFL

Mahomes table is set — Dan Orlovsky (@danorlovsky7) January 21, 2020

Kansas City ranked fifth in the NFL during the regular season with an average of 28.2 points per game, but it's worth noting that Mahomes missed two games due to injury, and likely wasn't at full strength for several other contests. He appears to be fully healthy now, as the Chiefs have exploded for an average of 43.0 points per game in the playoffs. For comparison, the 49ers rank second among all postseason teams with an average of 32.0 points per game. While those previous top-two ranked defenses have given up an average of 18 points per game in the Super Bowl, it's unlikely San Francisco will be able to limit the Chiefs' high-flying offense to that degree, but even if they can get close, that might be enough to prove victorious.

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As great as the historical track record is for the 49ers, that Hall of Fame QB exception to the rule likely will keep the team from puffing its chest too much before the Big Game. Mahomes is only in his third professional season and second as a starting quarterback, but it sure looks like he'll eventually wind up in Canton.

Programming note: NBC Sports Bay Area feeds your hunger for 49ers Super Bowl coverage with special editions of “49ers Central” all week (5:30 p.m. Monday and Wednesday; 8:00 p.m. Tuesday and Thursday; 6:00 p.m. Friday).