Many Houston Texans fans are currently sick with worry after starting running back Lamar Miller went down with a potentially serious knee injury last Saturday. And their injury list seems to only grow as right guard Zach Fulton was also hit with the injury bug.

During their preseason tussle with the Dallas Cowboys, Fulton seemingly hurt his toe during a down and had to be carted away. Adding to the worries of head coach Bill O’Brien, left guard Senio Kelemete was also shaken up.

While it does seem that his offensive line will be incomplete ahead of their season opener against the New Orleans Saints, O’Brien is confident that his players will be able to come back quickly.

“From what I know right now, I’m not sure that those injuries are serious,” O’Brien said, via Aaron Wilson of the Houston Chronicle. “Any injury is serious. I’m not trying to diminish an injury, but I don’t think that those are long-term injuries.”

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O’Brien also added that the Texans still have a long way to go to be a team. They need to continue to work hard to put together the best team possible.

Fulton’s injury adds a bitter notch to the horrible preseason they are currently having: they narrowly lost to the Green Bay Packers, won against the Detroit Lions by a touchdown, and were torched by the Cowboys to the tune of 34-0.

If Miller is to miss out the season due to an ACL tear, they will need all the help they can get on the offensive line. And Fulton will be an important man for their campaign.