The New Orleans Saints have struggled to defend the pass in 2015. That much is obvious after watching Cam Newton shred New Orleans for five touchdowns in Week 13.

As Greg Auman of the Tampa Bay Times reports, the Saints struggles have been well-documented, as they have allowed the most 300-plus yard passers in 2015.

Even with the Saints aside, that's quite a few surprising defenses on that list who have allowed multiple 300-yard passers.

More from FoxSports