HOUSTON -- Cowboys starting left guard Kyle Kosier suffered a sprained right knee in the fourth quarter agaisnt the Texans on Sunday.
He did not return. Montrae Holland replaced him.
It's the second time this season Koiser has suffered an injury to his right knee. He suffered an MCL sprain in training camp that forced him to miss the regular-season opener.
He did return for the Week 2 loss against Chicago.
The Cowboys' bye week gives Kosier an opportunity to get well before the Week 5 game at home against Tennessee.
The Cowboys have lost a starter in the fourth quarter in each of their three games this season.