Houston Texans wide receiver Kevin Walter, left, celebrates after catching a 3-yard touchdown pass as St. Louis Rams cornerback Ronald Bartell, right, looks on during the third quarter of an NFL football game Sunday, Dec. 20, 2009, in St. Louis. The Texans won 16-13. (AP Photo/Jeff Roberson)

Houston Texans quarterback Matt Schaub drops back to pass during the first quarter of an NFL football game against the St. Louis Rams, Sunday, Dec. 20, 2009, in St. Louis. (AP Photo/Jeff Roberson)

Houston Texans wide receiver Kevin Walter, left, catches a pass for a 16-yard gain before being brought down by St. Louis Rams cornerback Quincy Butler during the first quarter of an NFL football game Sunday, Dec. 20, 2009, in St. Louis. (AP Photo/Jeff Roberson)

Houston Texans kicker Kris Brown (3) kicks a 27-yard field goal during the first quarter of an NFL football game against the St. Louis Rams, Sunday, Dec. 20, 2009, in St. Louis. (AP Photo/Jeff Roberson)

Houston Texans head coach Gary Kubiak is seen on the sidelines during the first quarter of an NFL football game against the St. Louis Rams, Sunday, Dec. 20, 2009, in St. Louis. (AP Photo/Jeff Roberson)

Houston Texans quarterback Matt Schaub (8) changes the play at the line of scrimmage during the first quarter of an NFL football game against the St. Louis Rams, Sunday, Dec. 20, 2009, in St. Louis. (AP Photo/Jeff Roberson)

St. Louis Rams quarterback Keith Null throws during the first quarter of an NFL football game against the Houston Texans on Sunday, Dec. 20, 2009, in St. Louis. (AP Photo/Jeff Roberson)

Houston Texans' Arian Foster, left, fumbles the ball as he is hit by St. Louis Rams linebacker Paris Lenon after catching a pass during the first quarter of an NFL football game Sunday, Dec. 20, 2009, in St. Louis. The Rams recovered the fumble. (AP Photo/Seth Perlman)

Houston Texans defensive end Mario Williams, left, celebrates alongside teammate Bernard Pollard after recovering a fumble by St. Louis Rams quarterback Keith Null during the first quarter of an NFL football game Sunday, Dec. 20, 2009, in St. Louis. (AP Photo/Jeff Roberson)

St. Louis Rams head coach Steve Spagnuolo, right, talks with referee Ed Hochuli on the sidelines during the first quarter of an NFL football game against the Houston Texans, Sunday, Dec. 20, 2009, in St. Louis. (AP Photo/Tom Gannam)

Houston Texans quarterback Matt Schaub (8) sets to pass during the second quarter of an NFL football game against the St. Louis Rams on Sunday, Dec. 20, 2009, in St. Louis. (AP Photo/Tom Gannam)

St. Louis Rams running back Steven Jackson (39) runs for a 35-yard gain as Houston Texans safety Bernard Pollard gives chase during the second quarter of an NFL football game Sunday, Dec. 20, 2009, in St. Louis. (AP Photo/Tom Gannam)

St. Louis Rams running back Steven Jackson (39) runs with the ball during the second quarter of an NFL football game against the Houston Texans Sunday, Dec. 20, 2009, in St. Louis. (AP Photo/Tom Gannam)

A St. Louis Rams cheerleader performs during the first quarter of an NFL football game between the Houston Texans and the St. Louis Rams Sunday, Dec. 20, 2009, in St. Louis. (AP Photo/Jeff Roberson)

Houston Texans running back Arian Foster, left, is pulled down by St. Louis Rams safety James Butler during the first quarter of an NFL football game Sunday, Dec. 20, 2009, in St. Louis. (AP Photo/Jeff Roberson)

Houston Texans quarterback Matt Schaub (8) waits for the snap during the first quarter of an NFL football game against the St. Louis Rams Sunday, Dec. 20, 2009, in St. Louis. (AP Photo/Jeff Roberson)

Members of the St. Louis Rams huddle during the first quarter of an NFL football game against the Houston Texans Sunday, Dec. 20, 2009, in St. Louis. (AP Photo/Jeff Roberson)

St. Louis Rams wide receiver Donnie Avery (17) can't quite get his feet inbounds in the endzone on a pass defended by Houston Texans cornerback Dunta Robinson (23) during the second quarter of an NFL football game Sunday, Dec. 20, 2009, in St. Louis. (AP Photo/Tom Gannam)

Houston Texans tight end Joel Dreessen (85) can't gang onto the ball as St. Louis Rams cornerback Justin King (31) defends during the second quarter of an NFL football game Sunday, Dec. 20, 2009, in St. Louis. (AP Photo/Tom Gannam)

A St. Louis Rams cheerleader performs during the first quarter of an NFL football game between the Houston Texans and the St. Louis Rams Sunday, Dec. 20, 2009, in St. Louis. (AP Photo/Jeff Roberson)

A St. Louis Rams cheerleader performs during the first quarter of an NFL football game between the Houston Texans and the St. Louis Rams Sunday, Dec. 20, 2009, in St. Louis. (AP Photo/Jeff Roberson)

A St. Louis Rams cheerleader performs during the first quarter of an NFL football game between the Houston Texans and the St. Louis Rams Sunday, Dec. 20, 2009, in St. Louis. (AP Photo/Jeff Roberson)

St. Louis Rams quarterback Keith Null fumbles a snap during the first quarter of an NFL football game against the Houston Texans Sunday, Dec. 20, 2009, in St. Louis. (AP Photo/Jeff Roberson)

Houston Texans running back Arian Foster (37) fumbles the ball as he is hit by St. Louis Rams linebacker Paris Lenon (53) and Craig Dahl (43) during the first quarter of an NFL football game Sunday, Dec. 20, 2009, in St. Louis. (AP Photo/Jeff Roberson)

St. Louis Rams running back Steven Jackson runs with the ball during the first quarter of an NFL football game against the Houston Texans Sunday, Dec. 20, 2009, in St. Louis. (AP Photo/Jeff Roberson)

Houston Texans wide receiver Andre Johnson (80) can't come up with a pass in the end zone as St. Louis Rams safety Craig Dahl (43) and cornerback Ronald Bartell (24) defend during the third quarter of an NFL football game Sunday, Dec. 20, 2009, in St. Louis. The Texans won 16-13. (AP Photo/Jeff Roberson)

St. Louis Rams running back Steven Jackson scuffles with Houston Texans safety Bernard Pollard (31) after a play as referee Ed Hochuli, rear, tries to break the players up during the fourth quarter of an NFL football game Sunday, Dec. 20, 2009, in St. Louis. The Texans won 16-13. (AP Photo/Seth Perlman)

Houston Texans defensive end Antonio Smith (94) tries to drag down St. Louis Rams quarterback Keith Null (9) during the third quarter of an NFL football game Sunday, Dec. 20, 2009, in St. Louis. Null threw an interception on the play. The Texans won 16-13. (AP Photo/Tom Gannam)

Houston Texans wide receiver Andre Johnson (80) is brought down by St. Louis Rams safety Craig Dahl after qa 44-yard gain during the fourth quarter of an NFL football game Sunday, Dec. 20, 2009, in St. Louis. Johnson set a season-best with 196 yards receiving in the Texans' 16-13 victory. (AP Photo/Jeff Roberson)

Houston Texans wide receiver Andre Johnson (80) catches a pass for a 30-yard gain before being brought down by St. Louis Rams safety Craig Dahl (43) during the fourth quarter of an NFL football game Sunday, Dec. 20, 2009, in St. Louis. Johnson set a season-best with 196 yards receiving in the Texans' 16-13 victory. (AP Photo/Jeff Roberson)