It's a lot more than simply missing their starting QB with Baltimore.
Their defense - something that franchise prided itself on ever since they bolted from Cleveland in the 20th century - is awful
Baltimore Ravens team page with results, picks, power rankings, odds and stats.
www.teamrankings.com
BAL Defense -- Value (rank)
Opp Points/Game -- 33.3 (#32)
Opp Yards/Game -- 406.8 (#31)
Opp Points/Play -- 0.465 (#25)
Opp Yards/Play -- 5.7 (#25)
Opp 3D Conv % -- 41.94% (#24)
Opp 4D Conv % -- 81.82% (#27)
Opp RZ Scoring % (TD) -- 75.00% (#28)
Opp TDs/Game -- 4.0 (#31)
BAL Rushing Defense -- Value (rank)
Opp Yards/Rush -- 4.6 (#23)
Opp Rushes/Game -- 30.8 (#29)
Opp Rush Yards/Game -- 141.3 (#27)
Opp Rush TDs/Game -- 1.8 (#31)
[U}BAL Passing Defense -- Value (rank)[/U]
Opp Completion % -- 66.67% (#20)
Opp Yards/Pass -- 6.8 (#18)
Opp Passes/Game -- 39.8 (#30)
Opp Pass Yards/Game -- 265.5 (#31)
Opp Int Thrown % -- 0.63% (#29)
Sack % -- 2.45% (#31)