2021 NFL Schedule Release: Colts' 17-game regular season schedule announced
Detroit Lions Schedule Detroit Lions
Detroit Lions Schedule 2021: Dates, times, win/loss prediction for 17-game schedule
2021 N.F.L. Schedule: A 17-Game Season and Quarterback Showdowns - The New York Times
2022 Detroit Lions Schedule: Complete schedule and match-up information for 2022 NFL Season
2023 NFL Schedule release: Kansas City Chiefs to host Detroit Lions in Kickoff Game
2021 NFL regular-season schedule to be released May 12 on NFL Network, NFL .com
2021 Detroit Lions schedule released: Dates, times, TV channel - Pride Of Detroit
NFL Schedule Release: Week 1 Games and More - The New York Times
Detroit Lions Reveal 2021 Schedule & Will Start Without Their First Round Draft Pick
2021 Detroit Lions Schedule: Complete schedule, tickets and matchup information for 2021 NFL season