The yards were even after three quarters with the teams tied at 264. But on the first play of the fourth quarter, Pittsburgh got 1 more yard and has started to pull away, up 30-17.
Roethlisberger has completed 24 of 39 passes for 241 yards and three touchdowns.
Antonio Brown has caught two of Roethlisberger’s touchdown passes for 41 and 5 yards. He has eight catches for 111 yards.
The Titans looked like they were going to make it a game on the first play of the third quarter as Marcus Mariota found Rishard Matthews for a 75-yard touchdown. But the Steelers have outscored the Titans 14-3 since.