Delaware middle linebacker David Mackall tried out for the Ravens during their rookie minicamp, according to sources.
He wasn't signed to a contract, though, along with Delaware wide receiver Andrew Opoku.
Mackall is an Edmondson graduate who's a former high school teammate of Ravens undrafted rookie quarterback Jerry Lovelocke, who was signed as a free agent out of Prairie View A&M.
Mackall was also invited to the Ravens' local prospect day.
Mackall recorded 84 tackles (3.5 for losses), one sack, one interception, one forced fumble and one fumble recovery last season.
A 6-foot-3, 233-pound Maryland transfer, Mackall is a converted defensive end who played outside linebacker at Delaware in 2013 when he started 10 games.