(WSCR) In an effort to strengthen their secondary, the Bears today signed safety Troy Nolan.

Nolan, 26, has appeared in 37 games with seven starts over four seasons with the Texans (2009-12) and Dolphins (2012).

Selected in the seventh round out of Arizona State by the Texans in 2009, Nolan has recorded 73 tackles, three interceptions, nine pass defenses, 1.5 sacks and a fumble recovery.

This season, Nolan has appeared in seven games with one start for Houston and Miami, recording five tackles.

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