Marks is the seventh AFC South free agent to switch teams but stay in the division.
The other six:
Fullback Greg Jones went from the Jaguars to the Texans.
Running back Justin Forsett went from the Texans to the Jaguars.
Cornerback Alan Ball went from the Texans to the Jaguars.
Quarterback Matt Hasselbeck went from the Titans to the Colts.
Linebacker Moise Fokou went from the Colts to the Titans.
Receiver Kevin Walter went from the Texans to the Titans.
As for Marks, here's Scouts Inc.'s review of his game:
"Marks is a solid starting 3-technique with just adequate size, but he has excellent initial quickness, agility and body control. He is very quick off the ball and does a good job of hitting gaps and seams to get upfield and create problems in the backfield. He does a good job feeling and fighting through pressure and will use his hands to defeat and shed blocks. He is quick to locate the ball and takes good angles to get to the play, but he shows limited lateral range when the ball is run outside the numbers. He is not an effective pass-rusher because he lacks great upfield acceleration and does not bend to close on the quarterback with a burst."