Eagles defensive backs coach Cory Undlin named Detroit Lions
Detroit Lions Cory Undlin Embarrassed - Sports Illustrated Detroit
Wojo: Is the Lions' defense really as doomed as it looks?
Detroit Lions Defense Can Force More Turnovers 2020 NFL Year
Reggie Ragland on what's changed for Detroit's defense: 'Everybody
Lions' Everson Griffen reveals source of his energy – Macomb Daily
Detroit Lions Cory Undlin Linebacker Group Fun to Watch - Sports
2019 Position Breakdown: Safeties
In Cory Undlin, the Lions get their new defensive coordinator
Detroit Lions secondary should only improve under Cory Undlin
Detroit Lions are heavy underdogs at home against Tampa Bay