SANTA CLARA -- The 49ers on Saturday filled the roster spot that opened Friday with the release of Aldon Smith.
The 49ers announced the signing of outside linebacker Shawn Lemon, whom the Pittsburgh Steelers recently waived. Lemon started training camp on the physically unable to perform with an Achilles strain.
Lemon, who played college ball at Akron is a veteran of the Canadian Football League and Arena League.
He had a brief stint with the San Jose SaberCats. He has also been a member of theWinnipeg Blue Bombers, Saskatchewan Roughriders, Orlando Predators, Sioux Falls Storm, Edmonton Eskimos and Calgary Stampeders.