The Pittsburgh Steelers' latest offensive line signing is center-guard David Snow.

Snow replaces offensive tackle Rashad Butler, who left the team for personal reasons and the Steelers were granted a roster exemption they used to add Snow.

Snow started two games last season for the Buffalo Bills. He played collegiately at the University of Texas.

The Steelers recently signed center Eric Olsen.

The Steelers lost centers Maurkice Pouncey and Fernando Velasco to season-ending injuries.

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Aaron Wilson covers the Ravens for The Baltimore Sun.