The Texans (5-5) had a chance to tie the game, but Kris Brown's 49-yard attempt with one second remaining was wide left. It was his second miss of the game and the second straight time he missed a chance to send the Texans into overtime.

The Titans have not lost since Vince Young took over at quarterback for Kerry Collins. He won despite passing for only 116 yards; Houston's Matt Schaub threw for 305.

Redskins. Already among the league's most injury-ravaged teams, Washington added running back Ladell Betts (torn left knee ligaments), guard Chad Rinehart (broken leg) and fullback Eddie Williams (broken leg) to their list of players on injured reserve.

Betts was the backup to Clinton Portis, who likely will not return from his concussion for at least one more game.

The Redskins visit the Eagles on Sunday.

Medical report. The Green Bay Packers lost two key defensive players to season-ending left-knee injuries. Cornerback Al Harris and linebacker Aaron Kampman will have surgery after suffering major injuries in Sunday's victory over San Francisco.

The Packers visit Detroit on Thanksgiving. Lions quarterback Matthew Stafford, who dislocated his right shoulder Sunday, may not play.

The Steelers' top two quarterbacks went down in a loss at Kansas City. After Ben Roethlisberger left with concussion symptoms, backup Charlie Batch injured his left wrist during overtime. Batch could undergo surgery later this week and miss about six weeks.

Arizona's Kurt Warner left a win against St. Louis after his head was slammed against the turf. Warner will undergo a mandatory "baseline test" of his cognitive functions today.

Rams QB Marc Bulger will be sidelined for three to six weeks with a broken left leg.

Miami Dolphins nose tackle Jason Ferguson will miss the rest of the season with a quadriceps injury.

Addressing head injuries. The NFL and its players' union have approved independent doctors to evaluate head injuries for about half of the league's 32 teams as part of a new program.

The NFL Players Association medical director, Thom Mayer, told the Associated Press that "the quality of people brought forward has been first rate" and that none of the doctors proposed by teams has been rejected so far.

The NFL said Sunday it is requiring teams to find outside experts in neurology to aid their medical staffs when players get concussions.

Noteworthy. Dallas released former Eagles kick returner Allen Rossum and signed cornerback Cletis Gordon. . . . Federal prosecutors say 30-year-old Herbert Alex Simpson of Philadelphia pleaded guilty to trying to blackmail New York Giants' coach Tom Coughlin. . . . A judge cleared the way for a Canadian company to pay $583,000 for the Pontiac Silverdome, built for $55.7 million in 1975 to house the Detroit Lions, who moved to Ford Field in 2002.