The Titans are signing linebacker Erik Walden, according to Ian Rapoport of NFL.com (on Twitter). Walden spent the previous four seasons with the rival Colts. 
Walden had 11.0 sacks last year and it’s surprising that he was on the market for this long. The 31-year-old (32 in August) has plenty of motivation to excel this year and make the rest of the league pass on signing him.
Walden met with the Titans in the spring after the Colts informed him that he wouldn’t be back. After four months of little activity – save for conversations with the Jets in June – he has circled back to Tennessee. The advanced metrics at Pro Football Focus might help to explain the lack of interest Walden has generated this offseason. Despite his 11 quarterback takedowns last year, he still graded out as one of the six worst edge defenders in the league.
The Titans will use Walden as a reserve outside linebacker behind starters Derrick Morgan and Brian Orakpo – assuming he makes the team. Kevin Dodd, Aaron Wallace, free agent addition Daren Bates, and rookies Jayon Brown and Josh Carraway are also pushing for playing time at OLB.
Walden fired agent Todd France at the tail end of March when he wasn’t getting enough bites and is now represented by Michael and Jason Katz of CSE Talent.