Cardinals sign their fifth-round picks

The Cardinals have wrapped up deals with both fifth-round selections, signing West Virginia linebacker/defensive end Shaquille Riddick and UAB wide receiver J.J. Nelson, the team said on Twitter on Tuesday. Riddick (6-6, 242) notched seven sacks in 2014 for the Mountaineers, and he’ll compete for time at outside linebacker in Arizona’s 3-4 scheme. Nelson (5-10,…