Brown, 24, recorded 140 tackles and 9.5 sacks in 32 games over the last two seasons with the Titans. The Titans drafted him in the second round out of North Carolina in 2012.
Tennessee hosts the Dallas Cowboys on Sunday.
#Titans coach Ken Whisenhunt said LB Zach Brown has a torn pectoral, potential season-ender, and will know more tomorrow.
— Tennessee Titans (@TennesseeTitans) September 8, 2014
- Chris Johnson
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