49ers optimistic even without Smith
SANTA CLARA, Calif. -- Patrick Willis believes the San Francisco 49ers can still be a great defense even without All-Pro tackle Justin Smith.
The 49ers might have to spend the rest of this season finding out whether or not Willis, their All-Pro linebacker and defensive leader, is correct.
Smith is unlikely to play Sunday in the regular-season finale against Arizona because of a partially torn left triceps. The injury could force Smith to miss some or all of the postseason.
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