Cyprien, the 33rd overall draft pick in April's draft, had 365 tackles, six forced fumbles and seven interceptions in four years at Florida International. He led the team with 93 tackles and four interceptions last season. Cyprien impressed during the offseason and is expected to start as a rookie alongside veteran safety Dwight Lowery.
Gratz, the 64th overall selection, finished his college career with 189 tackles, 30 passes defensed and eight interceptions at Connecticut. He returned two of his eight picks for touchdowns. He also is a projected starter, working the entire offseason opposite Alan Ball.
The Associated Press contributed to this report.