FOXBORO -- The Patriots signed rookie DL Tracy Robertson to the practice squad on Tuesday.
Robertson, 23, originally entered the NFL as a rookie free agent with Houston out of Baylor in 2012. The 6-foot-4, 280-pounder was released by the Texans on July 29 and signed with the Detroit Lions on Aug. 1. He was released by the Lions at the end of training camp on Aug. 31 and has not appeared in an NFL game. Robertson appeared in 44 games while at Baylor, making 27 starts and recorded 44 tackles and 7.5 sacks.
Last week, the Patriots cut defensive lineman Ron Brace, a former second-round pick out of Boston College.
For more, visit the Patriots team page at weei.com/patriots .