San Francisco 49ers defensive tackle Justin Smith talks with reporters during a news conference on Sunday, Jan. 27, 2013, in New Orleans. The 49ers will face the Baltimore Ravens in the NFL Super Bowl XLVII football game on Feb. 3. (AP Photo/Mark Humphrey)

Associated Press
San Francisco 49ers defensive tackle Justin Smith talks with reporters during a news conference on Sunday, Jan. 27, 2013, in New Orleans. The 49ers will face the Baltimore Ravens in the NFL Super Bowl XLVII football game on Feb. 3. (AP Photo/Mark Humphrey)
San Francisco 49ers defensive tackle Justin Smith talks with reporters during a news conference on Sunday, Jan. 27, 2013, in New Orleans. The 49ers will face the Baltimore Ravens in the NFL Super Bowl XLVII football game on Feb. 3. (AP Photo/Mark Humphrey)