The San Diego Chargers placed cornerback Marcus Cromartie and defensive linemen Kwame Geathers and Ricky Tjong-a-Tjoe on injured reserve.
Geathers and Tjong-a-Tjoe both suffered knee injuries against the San Francisco 49ers.
The Chargers also placed guard-tackle Jeromey Clary on reserve PUP and released cornerback Brandon Ghee.
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Aaron Wilson covers the Ravens for The Baltimore Sun