Pittsburgh Steelers quarterback Ben Roethlisberger blows a bubble gum bubble as he walks through warmups before the NFL preseason football game against the Detroit Lions in Pittsburgh, Saturday, Aug. 14, 2010. (AP Photo/Keith Srakocic)

Pittsburgh Steelers quarterback Byron Leftwich makes an over-the-shoulder catch as he warms up before the NFL preseason football game against the Detroit Lions in Pittsburgh, Saturday, Aug. 14, 2010. (AP Photo/Keith Srakocic)

Pittsburgh Steelers safety Ryan Clark intercepts a deflected pass by Detroit Lions' Matthew Stafford in the first quarter of the NFL preseason football game in Pittsburgh, Saturday, Aug. 14, 2010. (AP Photo/Keith Srakocic)

Pittsburgh Steelers safety Ryan Clark, left, intercepts a deflected pass by Detroit Lions Matthew Stafford in front of defensive end Aaron Smith (91)in the first quarter of the NFL preseason football game in Pittsburgh, Saturday, Aug. 14, 2010. (AP Photo/Keith Srakocic)

Pittsburgh Steelers coach Mike Tomlin walks the sidelines during the first quarter of a preseason NFL football game against the Detroit Lions in Pittsburgh, Saturday, Aug. 14, 2010. (AP Photo/Gene J. Puskar)

Pittsburgh Steelers running back Rashard Mendenhall, front, is brought down by Detroit Lions Cliff Avril, left, after a short gain during the first quarter of a preseason NFL football game in Pittsburgh, Saturday, Aug. 14, 2010. (AP Photo/Gene J. Puskar)

Pittsburgh Steelers quarterback Byron Leftwich get a pass off after eluding Detroit Lions' Cliff Avril (92) during the first quarter of a preseason NFL football game in Pittsburgh, Saturday, Aug. 14, 2010, in Pittsburgh. (AP Photo/Gene J. Puskar)

Pittsburgh Steelers running back Rashard Mendenhall (34) runs before he loses the ball whe hit by Detroit Lions safety C.C. Brown (39) in the first quarter of an NFL preseason football game in Pittsburgh, Saturday, Aug. 14, 2010. The Steelers recovered the fumble. (AP Photo/Keith Srakocic)

Pittsburgh Steelers quarterback Ben Roethlisberger, center right, applauds as Steelers defensive coordinator Dick LeBeau is announced in a brief ceremony honoring his Hall of Fame induction last week before an NFL preseason football game against the Detroit Lions in Pittsburgh, Saturday, Aug. 14, 2010. LeBeau played as a defensive back for the Detroit Lions. (AP Photo/Keith Srakocic)

Pittsburgh Steelers running back Rashard Mendenhall, left, loses the ball as he is hit by Detroit Lions safety C.C. Brown, lower right, in the first quarter of an NFL preseason football game in Pittsburgh, Saturday, Aug. 14, 2010. The Steelers recovered the fumble. (AP Photo/Keith Srakocic)

Pittsburgh Steelers quarterback Ben Roethlisberger (7) stands on the sidelines during the first quarter of a preseason NFL football game against the Detroit Lions in Pittsburgh, Saturday, Aug. 14, 2010. (AP Photo/Gene J. Puskar)

Members of the Detroit Lions leave the field as the NFL preseason football game between the Pittsburgh Steelers and Detroit Lions is stopped due to weather in the second quarter in Pittsburgh, Saturday, Aug. 14, 2010. (AP Photo/Keith Srakocic)

Pittsburgh Steelers safety Troy Polamalu talks with a teammate during the first quarter of a preseason NFL football game against the Detroit Lions in Pittsburgh, Saturday, Aug. 14, 2010. (AP Photo/Gene J. Puskar)

Pittsburgh Steelers' Larry Foote (50) and Keenan Lewis (23) attempt to stop Detroit Lions wide receiver Nate Burleson (13) after a first-quarter receptions during a preseason NFL football game in Pittsburgh, Saturday, Aug. 14, 2010. (AP Photo/Gene J. Puskar)

A television crew worker pulls cable from the field as the NFL preseason football game between the Pittsburgh Steelers and the Detroit Lions is stopped due to weather in the second quarter in Pittsburgh, Saturday, Aug. 14, 2010. (AP Photo/Keith Srakocic)

Pittsburgh Steelers' Lawrence Timmons, left, stops Detroit Lions running back Jahvid Best (44) after a short gain during the first quarter of a preseason NFL football game in Pittsburgh, Saturday, Aug. 14, 2010. (AP Photo/Gene J. Puskar)

Pittsburgh Steelers cornerback Keenan Lewis, right, breaks up a pass intended for Detroit Lions receiver Calvin Johnson (81) in the end zone during the first quarter of a preseason NFL football game in Pittsburgh, Saturday, Aug. 14, 2010. (AP Photo/Gene J. Puskar)

Pittsburgh Steelers quarterbacks Ben Roethlisberger, right, and Byron Leftwich (4) stand on the sidelines during a time-out in the first quarter of a preseason NFL football game against the Detroit Lions in Pittsburgh, Saturday, Aug. 14, 2010. (AP Photo/Gene J. Puskar)

Pittsburgh Steelers quarterback Ben Roethlisberger, left, and coach Mike Tomlin stand on the sidelines during the first quarter of a preseason NFL football game against the Detroit Lions in Pittsburgh, Saturday, Aug. 14, 2010. (AP Photo/Gene J. Puskar)

Pittsburgh Steelers coach Mike Tomlin, left, and defensive coodinator Dick LeBeau talk on the sidelines during the first quarter of a preseason NFL football game against the Detroit Lions in Pittsburgh, Saturday, Aug. 14, 2010. (AP Photo/Gene J. Puskar)

Pittsburgh Steelers quarterback Byron Leftwich passes during the first quarter of a preseason NFL football game against the Detroit Lions in Pittsburgh, Saturday, Aug. 14, 2010. (AP Photo/Gene J. Puskar)

Detroit Lions quarterback Matthew Stafford passes in the first quarter of an NFL preseason football game against the Pittsburgh Steelers in Pittsburgh, Saturday, Aug. 14, 2010. (AP Photo/Keith Srakocic)

Detroit Lions running back Jahvid Best (44) runs against the Pittsburgh Steelers in the first quarter of an NFL preseason football game in Pittsburgh, Saturday, Aug. 14, 2010. (AP Photo/Keith Srakocic)

Clouds loom over Heinz Field as the Detroit Lions play the Pittsburgh Steelers in the first quarter of an NFL preseason football game in Pittsburgh, Saturday, Aug. 14, 2010. (AP Photo/Keith Srakocic)

Pittsburgh Steelers linebacker LaMarr Woodley, right, confronts Detroit Lions offensive tackle Gosder Cherilus in the first quarter of an NFL preseason football game in Pittsburgh, Saturday, Aug. 14, 2010. No penalty was called. (AP Photo/Keith Srakocic)

Detroit Lions coach Jim Schwartz walks the sideline in the fourth quarter of the NFL preseason football game against the Pittsburgh Steelers in Pittsburgh, Saturday, Aug. 14, 2010. The Steelers won 23-7. (AP Photo/Keith Srakocic)

Pittsburgh Steelers quarterback Dennis Dixon scrambles for a first down in the third quarter quarter of the NFL preseason football game against the Detroit Lions in Pittsburgh, Saturday, Aug. 14, 2010. The Steelers won 23-7. (AP Photo/Keith Srakocic)

Pittsburgh Steelers wide receiver Antonio Brown (84) is tackled by Detroit Lions cornerback Jonathan Hefney in the third quarter of the NFL preseason football game in Pittsburgh, Saturday, Aug. 14, 2010. Hefney was penalized on the play. The Steelers won 23-7. (AP Photo/Keith Srakocic)

Pittsburgh Steelers cornerback Crezdon Butler. left, tackles Detroit Lions running back DeDe Dorsey in the fourth quarter of the NFL preseason football game in Pittsburgh, Saturday, Aug. 14, 2010. The Steelers won 23-7. (AP Photo/Keith Srakocic)

Detroit Lions running back Richard Dickson (46) is tackled by Pittsburgh Steelers safety Da'MonCromartie-Smith, bottom, in the fourth quarter of the NFL preseason football game in Pittsburgh, Saturday, Aug. 14, 2010. The Steelers won 23-7. (AP Photo/Keith Srakocic)

Pittsburgh Steelers quarterback Byron Leftwich stands on the sidelines during the fourth quarter of a preseason NFL football game against the Detroit Lions in Pittsburgh, Saturday, Aug. 14, 2010. The Steelers won 23-7. (AP Photo/Gene J. Puskar)

Pittsburgh Steelers receiver Mike Wallace, right, fixes his hair while talking with quarterback Ben Roethlisberger during the fourth quarter of a preseason NFL football game against the Detroit Lions in Pittsburgh, Saturday, Aug. 14, 2010. The Steelers won 23-7. (AP Photo/Gene J. Puskar)

Pittsburgh Steelers quarterback Dennis Dixon, left, celebrates is greeted by fellow quarterback Byron Leftwich (4) after scoring on a 68-yard pass play in the fourth quarter of a preseason NFL football game against the Detroit Lions in Pittsburgh, Saturday, Aug. 14, 2010. The Steelers won 23-7. (AP Photo/Gene J. Puskar)

Pittsburgh Steelers quarterback Dennis Dixon, center, celebrates with fellow quarterbacks Ben Roethlisberger, left, and Byron Leftwich (4) after scoring on a 68-yard pass play in the fourth quarter of a preseason NFL football game against the Detroit Lions in Pittsburgh, Saturday, Aug. 14, 2010. The Steelers won 23-7. (AP Photo/Gene J. Puskar)

Pittsburgh Steelers quarterback Ben Roethlisberger stands on the sidelines during the fourth quarter of a preseason NFL football game against the Detroit Lions in Pittsburgh, Saturday, Aug. 14, 2010. The Steelers won 23-7. Roethlisberger did not play in the game. (AP Photo/Gene J. Puskar)

Pittsburgh Steelers quarterback Ben Roethlisberger stands on the sidelines during the fourth quarter of a preseason NFL football game against the Detroit Lions in Pittsburgh, Saturday, Aug. 14, 2010. The Steelers won 23-7. Roethlisberger did not play in the game. (AP Photo/Gene J. Puskar)

Pittsburgh Steelers quarterback Dennis Dixon scrambles for a first down in the third quarter quarter of the NFL preseason football game against the Detroit Lions in Pittsburgh, Saturday, Aug. 14, 2010. The Steelers won 23-7. (AP Photo/Keith Srakocic)

Pittsburgh Steelers quarterback Byron Leftwich passes during the first quarter of a preseason NFL football game against the Detroit Lions in Pittsburgh, Saturday, Aug. 14, 2010. (AP Photo/Gene J. Puskar)

Pittsburgh Steelers quarterback Byron Leftwich looks to pass during the first quarter of a preseason NFL football game against the Detroit Lions in Pittsburgh, Saturday, Aug. 14, 2010. (AP Photo/Gene J. Puskar)

Pittsburgh Steelers quarterback Byron Leftwich rolls out of the pocket during the first quarter of a preseason NFL football game against the Detroit Lions in Pittsburgh, Saturday, Aug. 14, 2010. (AP Photo/Gene J. Puskar)

Pittsburgh Steelers quarterback Ben Roethlisberger, right, smiles as he talks with coach Mike Tomlin, left, on the sidelines in the first quarter of an NFL preseason football game against the Detroit Lions in Pittsburgh, Saturday, Aug. 14, 2010. (AP Photo/Keith Srakocic)