Quick Take: Final drive keeps Titans unbeaten

It was over when ...
Ravens QB Joe Flacco threw his second interception while trying to lead Baltimore on a game-tying drive with under two minutes left in the game.

Game ball
After struggling for much of the game, Kerry Collins led the Titans on an 80-yard, 11-play drive in the fourth quarter that resulted in a touchdown and the Titans' first lead. Collins finished 17-of-32 for 163 yards, 11 yards shy of overtaking Jim Kelly for 14th place on the all-time passing yards list.

Key stat
The Ravens were penalized 11 times for 91 yards while the Titans were flagged 10 times for 78 yards. But the Ravens' penalties on Tennessee's final possession, including a costly roughing-the-passer infraction, kept the Titans' winning drive alive.

Noteworthy
The Titans have won eight straight dating to last season and are 5-0 for the first time. ... The Ravens have gone 23 straight games without allowing a 100-yard rusher, the longest active streak in NFL. ... Ravens CB Fabian Washington, who started in place of the injured Samari Rolle, was also injured in the third quarter.