LAKE FORREST, Ill. (AP) -The Chicago Bears have signed defensive tackle Tommie Harris to a four-year contract extension that runs through 2012.

Financial terms of the deal weren't disclosed.

Harris, a three-rime Pro Bowl selection, started 56 of his 60 career NFL games and recorded 208 tackles during his four seasons with the Bears.

A 2004 first-round pick, Harris has had 13 sacks in the last two seasons - second among NFL defensive tackles.