The team announced its second draft pick signing out of nine picks on Sunday.
Hall was selected 57th overall out of FCS-level Sam Houston State. He had 284 tackles, 42 sacks, nine forced fumbles, one fumble recovery, one interception and a school-record 14 blocked kicks in 56 games
Article continues below ...
Oakland had previously signed sixth-round linebacker Azeem Victor.
For more AP NFL coverage: http://www.pro32.ap.org and http://www.twitter.com/AP-NFL