St. Louis Rams quarterback Sam Bradford warms up before the start of a preseason NFL football game between the St. Louis Rams and the Minnesota Vikings Saturday, Aug. 14, 2010, in St. Louis. (AP Photo/Jeff Roberson)

St. Louis Rams quarterback Sam Bradford warms up before the start of a preseason NFL football game between the St. Louis Rams and the Minnesota Vikings Saturday, Aug. 14, 2010, in St. Louis. (AP Photo/Jeff Roberson)

St. Louis Rams running back Chris Ogbonnaya, (22), runs through Minnesota Vikings linebacker Chad Greenway (52), during the first quarter of a preseason NFL football game Saturday, Aug. 14, 2010, in St Louis. (AP Photo/Seth Perlman)

Minnesota Vikings wide receiver Jaymar Johnson, 11, is upended by St. Louis Rams linebacker Larry Grant, 59, during the first quarter of a preseason NFL football game Saturday, Aug. 14, 2010, in St Louis. (AP Photo/Seth Perlman)

St. Louis Rams wide receiver Danny Amendola breaks free of Minnesota Vikings safety Husain Abdullah during to run down field for 93 yards and score a touchdown during the first quarter of a preseason NFL football game Saturday, Aug. 14, 2010, in St Louis. (AP Photo/Seth Perlman)

Minnesota Vikings running back Toby Gerhart, (32), runs against St. Louis Rams linebacker Larry Grant, (59), during the first quarter of a preseason NFL football game Saturday, Aug. 14, 2010, in St Louis. (AP Photo/Jeff Roberson)

Minnesota Vikings tight end Mickey Shuler, (84) runs around St. Louis Rams safety Craig Dahl, (43) during the first quarter of a preseason NFL football game Saturday, Aug. 14, 2010, in St Louis. (AP Photo/Jeff Roberson)

Minnesota Vikings quarterback Sage Rosenfels (2) is sacked by St. Louis Rams defensive end Chris Long (72) during the first quarter of a preseason NFL football game Saturday, Aug. 14, 2010, in St Louis. (AP Photo/Jeff Roberson)

Minnesota Vikings tight end Garrett Mills, left, catches a 65-yard pass for a touch down as St. Louis Rams linebacker Chris Chamberlain, right, gives chase during the second quarter of a preseason NFL football game Saturday, Aug. 14, 2010, in St Louis. (AP Photo/Jeff Roberson)

St. Louis Rams quarterback Sam Bradford drops back to pass during the second quarter of a preseason NFL football game against the Minnesota Vikings Saturday, Aug. 14, 2010, in St Louis. (AP Photo/Jeff Roberson)

St. Louis Rams head coach Steve Spagnuolo stands on the sidelines during the fourth quarter of a preseason NFL football game against the Minnesota Vikings Saturday, Aug. 14, 2010, in St Louis. The Vikings won 28-7. (AP Photo/Seth Perlman)

Minnesota Vikings running back Darius Reynaud, right, runs with the ball as St. Louis Rams safety Kevin Payne (30) defends during the third quarter of a preseason NFL football game Saturday, Aug. 14, 2010, in St Louis. An offensive holding penalty was called on the Vikings' Garrett Mills on the play. (AP Photo/Seth Perlman)

St. Louis Rams quarterback Sam Bradford drops back to pass during the third quarter of a preseason NFL football game against the Minnesota Vikings Saturday, Aug. 14, 2010, in St Louis. (AP Photo/Seth Perlman)

Minnesota Vikings full back Ryan D'Imperio, right, runs with the ball after catching a pass before being brought down by St. Louis Rams linebacker Dominic Douglas, left, during the second quarter of a preseason NFL football game Saturday, Aug. 14, 2010, in St Louis. (AP Photo/Jeff Roberson)

Minnesota Vikings quarterback Tarvaris Jackson, left, hands off to running back Albert Young during the first quarter of a preseason NFL football game against the St. Louis Rams Saturday, Aug. 14, 2010, in St Louis. (AP Photo/Jeff Roberson)

Minnesota Vikings quarterback Tarvaris Jackson throws during the first quarter of a preseason NFL football game against the St. Louis Rams Saturday, Aug. 14, 2010, in St Louis. (AP Photo/Jeff Roberson)

Minnesota Vikings wide receiver Logan Payne, right, is congratulated by teammate Taye Biddle after catching a 2-yard pass for a touchdown during the second quarter of a preseason NFL football game against the St. Louis Rams Saturday, Aug. 14, 2010, in St Louis. (AP Photo/Jeff Roberson)

Minnesota Vikings quarterback Sage Rosenfels (2) throws to teammate running back Albert Young, right, during the first quarter of a preseason NFL football game against the St. Louis Rams Saturday, Aug. 14, 2010, in St Louis. The Vikings won 28-7. (AP Photo/Jeff Roberson)