Minnesota Vikings tight end John Carlson (89) is brought down by Houston Texans safety Shiloh Keo (31) and defensive back Kareem Jackson (25) in the first quarter of an NFL preseason football game Friday, Aug. 9, 2013, in Minneapolis. (AP Photo/Andy King)

Minnesota Vikings quarterback Christian Ponder (7) leaves the field after throwing an interception in the first quarter of an NFL preseason football game against the Houston Texans, Friday, Aug. 9, 2013, in Minneapolis. (AP Photo/Genevieve Ross)

Minnesota Vikings fans wait to enter the Metrodome by a sign showing items banned from the stadium under new NFL rules, before an NFL preseason football game between the Vikings and the Houston Texans, Friday, Aug. 9, 2013, in Minneapolis. (AP Photo/Andy King)

An official signals after Houston Texans wide receiver DeAndre Hopkins, left,scored on a touchdown reception in the first half of an NFL preseason football game against the Minnesota Vikings, Friday, Aug. 9, 2013, in Minneapolis. (APPhoto/Genevieve Ross)

Minnesota Vikings wide receiver Cordarrelle Patterson (84) hangs on tight to the ball as Houston Texans safety D.J. Swearinger (36) attempts to bring him down in the first quarter of an NFL preseason football game, Friday, Aug. 9, 2013, in Minneapolis. (AP Photo/Andy King)

Minnesota Vikings wide receiver Cordarrelle Patterson (84) jumps over fallen Houston Texans safety Eddie Pleasant (35) and cornerback Roc Carmichael (22) to gain extra yardage in the first quarter of an NFL preseason football game Friday, Aug. 9, 2013, in Minneapolis. (AP Photo/Andy King)

Minnesota Vikings' Blair Walsh (3) kicks a field goal against the Houston Texans during the first half of an NFL preseason football game, Friday, Aug. 9, 2013, in Minneapolis. (AP Photo/Genevieve Ross)

Minnesota Vikings wide receiver Jarius Wright, left, is hit by Houston Texans safety Eddie Pleasant (35), who was penalized for interference on the attempted catch of a punt in the second quarter of a football game Friday, Aug. 9, 2013, in Minneapolis. (AP Photo/Andy King)

Minnesota Vikings wide receiver Jarius Wright (17) carries as Houston Texans defensive back Shiloh Keo (31) defends during the first half of an NFL preseason football game, Friday, Aug. 9, 2013, in Minneapolis. (AP Photo/Genevieve Ross)

gMinnesota Vikings defensive tackle Fred Evans, left, comes looming in over Houston Texans running back Dennis Johnson (28) before brining him down in the first half of an NFL preseason football game, Friday, Aug. 9, 2013, in Minneapolis. (AP Photo/Genevieve Ross)

Minnesota Vikings wide receiver Cordarrelle Patterson, left, breaks a tackle by Houston Texans cornerback Roc Carmichael (22) as safety D.J. Swearinger (36) pursues in the first half of an NFL preseason football game, Friday, Aug. 9, 2013, in Minneapolis. (AP Photo/Genevieve Ross)

Houston Texans fullback Zach Boren (45) goes airborne as Minnesota Vikings linebacker Stanford Keglar (47) upends him in the fourth quarter of an NFL preseason football game, Friday, Aug. 9, 2013, in Minneapolis. The Texans won 27-13. (AP Photo/Andy King)

Houston Texans running back Ray Graham (37) is congratulated after scoring a 5-yard touchdown run against the Minnesota Vikings in the fourth quarter of an NFL preseason football game, Friday, Aug. 9, 20013, in Minneapolis. The Texans won 27-13. (AP Photo/Andy King)

Houston Texans running back Ray Graham (37) celebrates after scoring a 5-yard touchdown run against the Minnesota Vikings in the fourth quarter of an NFL preseason football game, Friday, Aug. 9, 2013, in Minneapolis. The Texans won 27-13. (AP Photo/Andy King)

Minnesota Vikings quarterback McLeod Bethel-Thompson (4) is brought down by Houston Texans defensive tackle Terrell McClain (97) during the second half of an NFL preseason football game, Friday, Aug. 9, 2013, in Minneapolis. The Texans won 27-13. (AP Photo/Genevieve Ross)

Minnesota Vikings running back Adrian Peterson (28) chats with Houston Texans free safety Danieal Manning (38) after an NFL preseason football game, Friday, Aug. 9, 2013, in Minneapolis. The Texans won 27-13. (AP Photo/Genevieve Ross)

Minnesota Vikings wide receiver Joe Webb (14) makes a reception as Houston Texans safety D.J. Swearinger (36) defends during the second half of an NFL preseason football game, Friday, Aug. 9, 2013, in Minneapolis. The Texans won 27-13. (AP Photo/Genevieve Ross)

Minnesota Vikings safety Brandan Bishop, left, pursues as Houston Texans wide receiver Lestar Jean (18) races into the end zone on a 2-yard, go-ahead touchdown pass from quarterback Case Keenum in the fourth quarter of an NFL preseason football game, Friday, Aug. 9, 2013, in Minneapolis. (AP Photo/Andy King)

Houston Texans running back Ray Graham (37) is congratulated after scoring a 5-yard touchdown run against the Minnesota Vikings in the fourth quarter of an NFL preseason football game, Friday, Aug. 9, 2013, in Minneapolis. The Texans won 27-13. (AP Photo/Andy King)

Houston Texans wide receiver Lestar Jean (18) kneels in the end zone after his 2-yard, go-ahead touchdown pass from quarterback Case Keenum in the fourth quarter of an NFL preseason football game against the Minnesota Vikings, Friday, Aug. 9, 2013, in Minneapolis. (AP Photo/Andy King)