The Minnesota Vikings focused on the offensive line to start the final day of the NFL draft, taking Stanford guard David Yankey in the fifth round Saturday with the No. 145 pick.
Exum played safety and cornerback in college but played just three games last year while recovering from offseason ACL surgery, according to the Star Tribune.
James, a two-time All-CAA first team selection, started 13 games last year.
Minnesota drafted UCLA linebacker Anthony Barr and Louisville quarterback Teddy Bridgewater in the first round on Thursday night. They took Oregon State defensive end Scott Crichton and Georgia Southern running back Jerick McKinnon. in the third round on Friday.
The Vikings ended the draft with three picks in the seventh round. They chose defensive tackle Shamar Stephen from Connecticut, outside linebacker Brandon Watts of Georgia Tech, and cornerback Jabari Price of North Carolina.