The Oakland Raiders tried out former Atlanta Falcons first-round defensive end Jamaal Anderson and former New York Jets running back Joe McKnight, according to a league source.
Neither were immediately signed to a contract.
Anderson, 27, has 132 career tackles and 7.5 sacks with two forced fumbles.
He has previous stints with the Chicago Bears, Cincinnati Bengals, Indianapolis Colts and the Falcons.
McKnight has rushed for 502 career yards in three NFL seasons with 17 receptions for 177 yards.
The Raiders also tried out linebacker Frank Beltre, defensive end Donte Paige-Moss, tight end Jordan Thompson, defensive back Neiko Thorpe, linebacker Devan Walker and offensive guard Jarrod Shaw.
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Aaron Wilson covers the Ravens for The Baltimore Sun.