Report: Castillo likely to go on open market, Titans interested?

Luis Castillo is expected to be released before a $1 million roster bonus is due in March, the San Diego Union-Tribune reported. Castillo (6-3, 290) could fit in well on the Titans' front four. The former Northwestern DL is regarded as a stellar bull rusher and for his ability to plug up running gaps. In 82 career games, Castillo has 210 tackles and 19 sacks.