Ravens: When did Baltimore last lose an NFL preseason game?
Baltimore Ravens 28 vs 29 Washington Commanders summary: stats and highlights
Ravens beat Titans, 23-10, to extend preseason streak to 21-straight since 2015
John Harbaugh doesn't mention Ravens' 23-game preseason winning streak to team: 'It's like a no-hitter'
Ravens extend NFL-record preseason win streak to 24 games
Ravens top Titans 23-10 for 21st straight preseason win – WKRG News 5
Baltimore Ravens extend historic preseason winning streak
Ravens get 21st consecutive NFL preseason win in Titans opener
Ravens extend preseason winning streak to 23 games
NFL Preseason Roundup: Ravens extend preseason winning streak to 23 games 
Ravens-Commanders Pick & Betting Prediction (August 21)
Washington Commanders End Baltimore Ravens' 24-Game Preseason Win Streak in Thrilling Showdown
Dobbins hurt as Ravens' preseason win streak hits 20 games
Dobbins hurt as Ravens' preseason win streak hits 20 games - The San Diego Union-Tribune
Ravens finish preseason with victory over Commanders, extend 23-game winning streak