Anquan Boldin's sensational San Francisco debut helped keep the 49ers on quite a roll against Green Bay.San Francisco 49ers head coach Jim Harbaugh yells at line judge Mark Perlman (9) after quarterback Colin Kaepernick was tackled by Green Bay Packers outside linebacker Clay Matthews during the second quarter of an NFL football game in San Francisco, Sunday, Sept. 8, 2013.Green Bay Packers wide receiver Jordy Nelson (87) celebrates after scoring on an eight-yard touchdown reception with wide receiver James Jones (89) during the third quarter of an NFL football game against the San Francisco 49ers in San Francisco, Sunday, Sept. 8, 2013.San Francisco 49ers wide receiver Anquan Boldin (81) is tackled by Green Bay Packers defensive back Jerron McMillian during the second quarter of an NFL football game in San Francisco, Sunday, Sept. 8, 2013.Green Bay Packers quarterback Aaron Rodgers (12) tries to run from San Francisco 49ers linebacker Aldon Smith (99) during the first quarter of an NFL football game, Sunday, Sept. 8, 2013, in San Francisco. Smith sacked Rodgers on the play.