-- Former Dolphins Nat Moore and Don McNeal visited practice on Wednesday.
-- Running back Leonard Henry continues to sit out because of a quadriceps injury.
Among others who are sitting out: CB Patrick Surtain (groin), CB Sam Madison (ankle), G Eric Wilson (knee) and S Shawn Wooden (back). Wooden is still waiting to find out whether he will need to have season-ending surgery.
-- Running back Sammy Morris stayed down after a play in practice on Wednesday, but Coach Dave Wannstedt said he just got the wind knocked out of him.
Wannstedt commented on the quarterback situation on Wednesday, saying: "We're not making it a day-to-day story as far as who's up and who's down. They're both making progress."
-- Wide receiver Marvin Minnis was excused from practice on Wednesday because of personal reasons, but Wannstedt said he would be with the team in Houston.
-- Veteran DE Kenny Holmes was given a workout on Wednesday.