BALTIMORE - AUGUST 16: Quarterback Tarvaris Jackson #7 of the Minnesota Vikings runs for a first down during the game against the Baltimore Ravens on August 16, 2008 at M & T Bank Stadium in Baltimore, Maryland. (Photo by Drew Hallowell/Getty Images)

BALTIMORE - AUGUST 16: Running back Ray Rice #39 of the Baltimore Ravens runs for a touchdown during the game against the Minnesota Vikings on August 16, 2008 at M & T Bank Stadium in Baltimore, Maryland. (Photo by Drew Hallowell/Getty Images)

BALTIMORE - AUGUST 16: Wide receiver Martin Nance #15 of the Minnesota Vikings catches a pass for a touchdown during the game against the Baltimore Ravens on August 16, 2008 at M & T Bank Stadium in Baltimore, Maryland. (Photo by Drew Hallowell/Getty Images)

BALTIMORE - AUGUST 16: Quarterback Tarvaris Jackson #7 of the Minnesota Vikings gets tackled by linebacker Ray Lewis #52 and safety Dawan Landry #26 of the Baltimore Ravens on August 16, 2008 at M & T Bank Stadium in Baltimore, Maryland. (Photo by Drew Hallowell/Getty Images)

BALTIMORE - AUGUST 16: Thousands of fans cheer for Olympian Michael Phelps, who hails from Baltimore, as he wins his eighth gold medal on August 16, 2008 at M & T Bank Stadium in Baltimore, Maryland. The fans remained in the stadium after the game between the Minnesota Vikings and Baltimore Ravens. (Photo by Drew Hallowell/Getty Images)

BALTIMORE - AUGUST 16: Quarterback Tarvaris Jackson #7 of the Minnesota Vikings gets attended to by training staff after injuring his leg during the game against the Baltimore Ravens on August 16, 2008 at M & T Bank Stadium in Baltimore, Maryland. (Photo by Drew Hallowell/Getty Images)

BALTIMORE - AUGUST 16: Quarterback Tarvaris Jackson #7 of the Minnesota Vikings scramble while being pursued by defensive end Jarret Johnson #95 of the Baltimore Ravens on August 16, 2008 at M & T Bank Stadium in Baltimore, Maryland. (Photo by Drew Hallowell/Getty Images)

BALTIMORE - AUGUST 16: Thousands of fans cheer for Olympian Michael Phelps, who hails from Baltimore, as he wins his eighth gold medal in the Men's 4x100 Medley Relay held at the National Aquatics Centre during Day 9 of the Beijing 2008 Olympic Games August 16, 2008 at M & T Bank Stadium in Baltimore, Maryland. The fans remained in the stadium after the game between the Minnesota Vikings and Baltimore Ravens. (Photo by Drew Hallowell/Getty Images)

BALTIMORE - AUGUST 16: Head coach Brad Childress of the Minnesota Vikings stands on the sideline during the game against the Baltimore Ravens on August 16, 2008 at M & T Bank Stadium in Baltimore, Maryland. (Photo by Drew Hallowell/Getty Images)

BALTIMORE - AUGUST 16: Head coach John Harbaugh of the Baltimore Ravens stands on the sideline during the game against the Minnesota Vikings on August 16, 2008 at M & T Bank Stadium in Baltimore, Maryland. (Photo by Drew Hallowell/Getty Images)

BALTIMORE - AUGUST 16: Head coach Brad Childress of the Minnesota Vikings stands on the sideline during the game against the Baltimore Ravens on August 16, 2008 at M & T Bank Stadium in Baltimore, Maryland. (Photo by Drew Hallowell/Getty Images)

BALTIMORE - AUGUST 16: Cornerback Derrick Martin #29 of the Baltimore Ravens knocks down a pass intended for wide receiver Aundrae Allison #84 of the Minnesota Vikings on August 16, 2008 at M & T Bank Stadium in Baltimore, Maryland. (Photo by Drew Hallowell/Getty Images)

BALTIMORE - AUGUST 16: Running back Albert Young #34 of the Minnesota Vikings jumps through the line during the game against the Baltimore Ravens on August 16, 2008 at M & T Bank Stadium in Baltimore, Maryland. (Photo by Drew Hallowell/Getty Images)

BALTIMORE - AUGUST 16: Quarterback Troy Smith #10 of the Baltimore Ravens gets hit by defensive end Jared Allen #69 of the Minnesota Vikings on August 16, 2008 at M & T Bank Stadium in Baltimore, Maryland. Smith avoided the sack and gained yards on the play. (Photo by Drew Hallowell/Getty Images)

BALTIMORE - AUGUST 16: Quarterback Troy Smith (C) #10 of the Baltimore Ravens throws a pass during the game against the Minnesota Vikings on August 16, 2008 at M & T Bank Stadium in Baltimore, Maryland. (Photo by Drew Hallowell/Getty Images)

BALTIMORE - AUGUST 16: Running back Adrian Peterson #28 of the Minnesota Vikings runs with the ball during the game against the Baltimore Ravens on August 16, 2008 at M & T Bank Stadium in Baltimore, Maryland. (Photo by Drew Hallowell/Getty Images)

BALTIMORE - AUGUST 16: Head coach John Harbaugh of the Baltimore Ravens stands on the sideline during the game against the Minnesota Vikings on August 16, 2008 at M & T Bank Stadium in Baltimore, Maryland. (Photo by Drew Hallowell/Getty Images)

BALTIMORE - AUGUST 16: Quarterback Brooks Bollinger #9 of the Minnesota Vikings throws a pass during the game against the Baltimore Ravens on August 16, 2008 at M & T Bank Stadium in Baltimore, Maryland. (Photo by Drew Hallowell/Getty Images)

BALTIMORE - AUGUST 16: Quarterback Joe Flacco #5 of the Baltimore Ravens reacts after throwing an incomplete pass on the last play of the game during the game against the Minnesota Vikings on August 16, 2008 at M & T Bank Stadium in Baltimore, Maryland. (Photo by Drew Hallowell/Getty Images)

BALTIMORE - AUGUST 16: Running back Albert Young #34 of the Minnesota Vikings hurdles over a Baltimore Ravens player on August 16, 2008 at M & T Bank Stadium in Baltimore, Maryland. (Photo by Drew Hallowell/Getty Images)