HOUSTON -- The Texans had the morning off, and began afternoon practice outside, but moved into the "Bubble" (indoor practice facility) with threatening skies looming in the distance.

Saturday's 16-10 victory in Kansas City came with a cost. Fullback Boomer Grigsby will miss 4-6 weeks with a high ankle sprain, and backup quarterback Rex Grossman will need 4-5 weeks to recover from a pulled hamstring. Alex Brink, last season's third string quarterback, could rejoin the team. "I mean he could walk in here and go practice for us tomorrow," head coach Gary Kubiak said. "It’s a touchy deal. You try and take a day or two to really sort out the injuries, see how long are they going to take. I don’t think you really know right afterwards, so we’re still trying to maybe figure that out with (QB) Rex (Grossman). Could it be quicker than four weeks? I don’t know. Maybe we’ll know more tomorrow or the next day, but obviously I’m not going to go into this game with 2 quarterbacks. I’m not going to do that, not at this stage in the preseason. May do something tonight, may not."

With Grigsby out, Texans rookie James Casey will see some action at fullback. He's being asked to do a lot of different things, but he'll do whatever it takes to make the team. "In my first game, I thought I did really well," Casey said. "After the game you don’t really know. It’s never as good as you think, it’s never as bad as you think, so you have to wait until after you watch film and see how it went. I watched film today and I think I did some really good things on special teams and, offensively, I thought I did a good job blocking at tight end and I made the one catch that was thrown to me. So I thought overall it was a great first game but I’ve still got to just keep getting better every day. We’ve got three preseason games (left). I’ve just got to keep coming out every day and try to prove myself and in these last three preseason games, I’ve just really got to go out there and give it everything I’ve got and show them I can help the team win."