Source: Dolphins try out four defensive backs
The Miami Dolphins made a change to their practice squad heading into their bye week, signing defensive back D.J. Campbell.
Campbell was signed following a Monday tryout that included three other defensive backs.
The Dolphins also auditioned former Ohio State safety Orhian Johnson, who has also played for the Houston Texans, as well as former Penn State defensive back Chaz Powell and former Texas A&M defensive back Steven Terrell.
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Aaron Wilson covers the Ravens for The Baltimore Sun.