The Buccaneers have signed cornerback Robert McClain, as Greg Auman of the Tampa Bay Times tweets. McClain played for Tampa Bay defensive coordinator Mike Smith when they were both in Atlanta. 
McClain was a quality corner under Smith’s watch, but his play has sharply regressed in recent years. Last year, the Panthers released him and that was a particularly bad look since the secondary was lousy overall. He later hooked on with the Chargers but didn’t find success there either. Overall, Pro Football Focus ranked him as the No. 103 cornerback out of 111 qualified players in 2016.
McClain’s best year came with the Falcons in 2012, under Smith’s watch, though he also had a respectable year with Carolina in 2013. In every season since, he has been near the bottom of PFF’s CB standings.
The Bucs will start rising sophomore Vernon Hargreaves and Brent Grimes at corner. Josh Robinson, Jude Adjel-Barimah, and Javien Elliott are among those currently slated for reserve roles. The Bucs did not select a cornerback in the draft this year, though they did sign some CBs as UDFAs.