He is visiting the Lions and getting interest from other teams as well.
There have been rumblings that the Raiders could look to upgrade from cornerback Chris Johnson, the starter opposite Nnamdi Asomugha. Florida's Joe Haden said this week that the Raiders are one of the four teams keeping close tabs on him.
Sheppard isn’t the same player he was a couple of years ago. But he would be an upgrade over Johnson. If the Raiders get the chance, they should take a closer look at Sheppard.