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Singletary impressed by Smith's work ethic

Troy Smith (AP/Jeff Roberson)

After adding Troy Smith to the 49ers' roster, coach Mike Singletary said he hopes Nate Davis will clear waivers and be signed to the practice squad.

The term "work ethic" is something that clearly resonates through San Francisco 49ers coach Mike Singletary. Troy Smith apparently has it; Nate Davis still doesn't. So when the 49ers combed through the waiver wire Monday and saw that Smith, the 2006 Heisman Trophy winner from Ohio State, had been released by the Baltimore Ravens, it seemed like a smart move to sign him. On his weekly radio show... Recommended Stories