The Indianapolis Colts worked out former Purdue cornerback Josh Johnson, according to a league source.

Johnson went undrafted out of Purdue and signed with the San Diego Chargers.

Johnson, 23, is a 5-foot-9, 200-pounder who was an honorable-mention All-Big Ten Conference selection last season.

He wasn't immediately signed to a contract by the Colts as they cut safety Joe Lefeged.

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Aaron Wilson covers the Ravens for The Baltimore Sun.