Lowery has 217 career tackles, 10 interceptions, three sacks, 45 pass deflections.
He started three games last season before being placed on injured reserve and then being cut. He had six tackles with one fumble recovery.
Wilson started for the Washington Redskins for the past three seasons.
He has 399 career tackles, 14 interceptions, nine forced fumbles adn 11 fumble recoveries.
Last season, Wilson started all 16 games and posted a career-high 93 tackles, two sacks, two forced fumbles, one interception.
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Aaron Wilson covers the Ravens for The Baltimore Sun