A violent collision with Jacksonville running back Maurice Jones-Drew's churning knees won't be enough to keep Pittsburgh Steelers safety Troy Polamalu out of the lineup against Arizona Sunday. Coach Mike Tomlin said Tuesday the 2010 NFL Defensive Player of the Year is "good to go" after passing a concussion test. The team removed Polamalu from the game midway through the fourth quarter of Sunday's 17-13 win over the Jaguars because of concussion-like symptoms. Tomlin believes Polamalu was injured while diving at Jones-Drew's legs on a third-and-1 play. Polamalu stuffed Jones-Drew no gain, forcing the Jaguars to punt. The All-Pro safety watched Pittsburgh's final two defensive series from the sidelines as the Steelers (4-2) held on to win their second straight. "We anticipate him practicing tomorrow and moving on throughout the week like everyone else on our football team," Tomlin said. Read more: http://espn.go.com/nfl/story/_/id/7...ttsburgh-steelers-passes-concussion-test-play
