Broncos sign seventh-round pick Corey Nelson

The Broncos have begun signing draft picks. The club announced a four-year deal with seventh-round selection Corey Nelson, an outside linebacker from Oklahoma, on Monday. Nelson (6-0, 231) recorded 153 tackles (17.5 for loss) in 45 games (27 starts) for the Sooners from 2010 through 2013. He was limited to five games in his final…