The Vikings signed rookie defensive end Spencer Nealy, who played at Texas A&M, to fill a vacant spot on the 90-man roster.
Nealy was undrafted, but signed with Detroit as a free agent. The Lions released him on Aug. 1.
Nealy's father, Ed Nealy, is a former NBA player.
Spencer Nealy is 6-3 and 280 pounds. He played both tackle and end for the Aggies.
The Vikings released cornerback Jacob Lacey on Monday, and Christian Ballard is on active/left squad status while attending to personal issues.