The Colts are keeping their secondary beefed up. Indianapolis is bringing back safety Julian Blackmon on a one-year deal that is worth up to $7.7 million and includes $3.2 million guaranteed, NFL Network Insider Ian Rapoport reported on Tuesday, per a source.Blackmon, No. 35 overall on Gregg Rosenthal's top 101 free agents and the second-highest remaining FA prior to his signing, becomes the latest secondary player to run it back with Indy behind safety Ronnie Harrison and cornerback Kenny... Read this story