Below is my first official stab at the Steelers final 53 man roster through 3 preseason games. About 6 players could go either way as the final six were tough decisions.
Quarterbacks
Roethlisberger, Ben QB
Batch, Charlie QB
Dixon, Dennis QB
Running Backs
Parker, Willie RB
Mendenhall, Rashard RB
Moore, Mewelde RB
Davis, Carey FB
Redman, Isaac RB
Wide Receivers
Ward, Hines WR
Holmes, Santonio WR
Sweed, Limas WR
Wallace, Mike WR
McDonald, Shaun WR
Tight Ends
Miller, Heath TE
Spaeth, Matt TE
Johnson, David TE
Offensive Lineman
Hartwig, Justin C
Legursky, Doug OL
Essex, Trai G
Foster, Ramon G
Kemoeatu, Chris G
Stapleton, Darnell G
Urbik, Kraig G
Colon, Willie T
Hills, Tony T
Starks, Max T
Defensive Lineman
Eason, Nick DE
Keisel, Brett DE
Smith, Aaron DE
Hood, Ziggy DT
Hampton, Casey NT
Hoke, Chris NT
Linebackers
Farrior, James ILB
Fox, Keyaron ILB
Timmons, Lawrence ILB
Bailey, Patrick OLB
Frazier, Andre OLB
Harrison, James OLB
Woodley, LaMarr OLB
Woods, Donovan OLB
Defensive Backs
Polamalu, Troy S
Clark, Ryan S
Carter, Tyrone S
Mundy, Ryan S
Taylor, Ike CB
Gay, William CB
Townsend, Deshea CB
Madison, Anthony CB
Lewis, Keenan CB
Specialist
Reed, Jeff K
Sepulveda, Daniel P
Warren, Greg LS
Logan, Stefan KR