Troy Polamalu is back and healthy.
(Don Wright / Associated Press)
Two of the league's most physical teams meet again after a heck of a season opener in 2009 (Troy Polamalu got hurt, etc.)
Did you know?
Steelers WR Hines Ward has the club record for 100-yard receiving games with 26. ... Pittsburgh is 8-0 when James Harrison has 2-plus sacks in a game. ... The Titans have won three straight at home against the Steelers. ... Tennessee's Chris Johnson has rushed for 100-plus yards in 12 consecutive games.