The Detroit Lions aren't done adding depth to their secondary yet.
Pittsburgh Steelers cornerback Antwon Blake is scheduled to make a free agent visit to the Lions on Wednesday, according to ESPN.
Blake already has visited the Tennessee Titans and is scheduled to visit the New England Patriots today, according to the report.
The Lions have added three new players to their secondary this off-season -- cornerback Johnson Bademosi, a special teams star with the Cleveland Browns the last four years, and safeties Rafael Bush and Tavon Wilson -- and Blake likely would compete for time as a backup to starters Darius Slay and Nevin Lawson.