Green Bay Packers defensive tackle Santana Dotson (71) rushes San Francisco 49ers quarterback Steve Young (8) during a game at Candlestick Park on Sunday, January 11, 1998. (AP Photo/Al Golub)

Green Bay Packers wide receiver Donald Driver jumps over San Francisco 49ers cornerback Jason Webster in the second quarter, Sunday, Dec. 15, 2002 in San Francisco. (AP Photo/Paul Sakuma)

San Francisco 49ers defensive end Chike Okeafor (91) sacks Green Bay Packers quarterback Brett Favre (4) on Sunday, December 15, 2002, in San Francisco, California. The Packers defeated the 49ers 20-14. (AP Photo/Al Golub)

San Francisco 49ers linebacker Julian Peterson (98) can't get to Green Bay Packers running back Ahman Green (30) before he makes touchdown on Sunday, December 15, 2002, in San Francisco, California. The Packers defeated the 49ers 20-14. (AP Photo/Al Golub)

Green Bay Packers running back Ahman Green tries to break away from San Francisco 49ers linebacker Jeff Ulbrich in the second half Sunday, Nov. 23, 2003, in Green Bay, Wis. Green rushed for 154 yards in the Packers' 20-10 win. (AP Photo/Andy Manis)

Green Bay Packers wide receiver Greg Jennings (85) catches a pass in front of San Francisco 49ers safety Keith Lewis (28) during the first quarter of an NFL football game Sunday, Dec. 10, 2006, in San Francisco. (AP Photo/Paul Sakuma)

San Francisco 49ers tight end Vernon Davis, left, scores a touchdown as linebacker Green Bay Packers' A.J. Hawk (50) tries to bring him down in the fourth quarter of an NFL football game in San Francisco, Sunday, Dec. 10, 2006. Green Bay won 30-19. (AP Photo/Marcio Jose Sanchez)

San Francisco 49ers running back Frank Gore (21) heads downfield during an NFL game against the Green Bay Packers, Dec. 10, 2006 in San Francisco. (AP Photo/Greg Trott)

San Francisco 49ers tight end Delanie Walker (46) heads downfield during an NFL game against the Green Bay Packers, Dec. 10, 2006 in San Francisco. (AP Photo/Greg Trott)

San Francisco 49ers running back Frank Gore (21) is surrounded by the Green Bay Packers in the first quarter of their preseason football game, Saturday, Aug. 16, 2008, in San Francisco. (AP Photo/Paul Sakuma)

Green Bay Packers' Ryan Grant runs past San Francisco 49ers' Tarell Brown during the first half of an NFL football game Sunday, Nov. 22, 2009, in Green Bay, Wis. (AP Photo/Jim Prisching)

Green Bay Packers' Aaron Rodgers (12) drops back to pass during the first half of an NFL football game against the San Francisco 49ers on Sunday, Nov. 22, 2009, in Green Bay, Wis. (AP Photo/Morry Gash)

Green Bay Packers defensive end Cullen Jenkins sacks San Francisco 49ers quarterback Alex Smith during an NFL football game Sunday, Nov. 22, 2009, in Green Bay, Wis. (AP Photo/Matt Ludtke)

San Francisco 49ers running back Frank Gore in action against the Green Bay Packers during an NFL football game Sunday, Nov. 22, 2009, in Green Bay, Wis. (AP Photo/Matt Ludtke)

Green Bay Packers running back Ryan Grant in action against San Francisco 49ers safety Dashon Goldson during an NFL football game Sunday, Nov. 22, 2009, in Green Bay, Wis. (AP Photo/Matt Ludtke)

Green Bay Packers' Greg Jennings during the first half of an NFL football game Sunday, Nov. 22, 2009, in Green Bay, Wis. (AP Photo/Jim Prisching)

Green Bay Packers running back Brandon Jackson (32) carries the ball during an NFL football game against the San Francisco 49ers at Lambeau Field in Green Bay, Wisconsin on December 5, 2010. The Packers won 34-16. (AP Photo/David Stluka)

San Francisco 49ers' Vernon Davis (85) tries to break away from Green Bay Packers' Jarrett Bush (24) during the second half of an NFL football game Sunday, Sept. 9, 2012, in Green Bay, Wis. The 49ers won 30-22. (AP Photo/Mike Roemer)

Green Bay Packers wide receiver Randall Cobb (18) celebrates his punt return for a touchdown with a Lambeau Leap during a Week 1 NFL football game against the San Francisco 49ers on Sunday, September 9, 2012 in Green Bay, Wis. The 49ers won 30-22. (AP Photo/David Stluka)

Green Bay Packers' Aaron Rodgers throws during the first half of an NFL football game against the San Francisco 49ers Sunday, Sept. 9, 2012, in Green Bay, Wis. (AP Photo/Mike Roemer)

San Francisco 49ers coach Frank Albert squats on the ground as he talks on the phone to overhead observers, Dec. 16, 1957, as his team trails the Green Bay Packers at Kezar Stadium in San Francisco. Substitute quarterback, John Brodie, is seated on bench behind Albert. The 49ers came back to win 27-20, giving them a tie with the Detroit Lions for the NFL Western conference title. (Associated Press)

Green Bay Packers halfback Paul Hornung (5) plunges over the line for a final period touchdown against the San Francisco 49ers in Milwaukee, Oct. 23, 1960. Other Packers are quarterback Lamar McHan (17) and guard Fred Thurston (63). (Associated Press)

Green Bay Packers' Jim Taylor (31) slants through a hole in San Francisco 49ers' line on Sunday, Dec. 4, 1966 in Milwaukee. A few steps farther, Taylor slips on the icy-field after making about 5 yards. (Associated Press)

Green Bay Packers quarterback Bart Starr (15) is caught behind the line of scrimmage by San Francisco 49ers' Roland Lakes (60) during an NFL football game in Green Bay, Wis. on November 19, 1967. (Associated Press)

Green Bay Packer corner back Ken Ellis (48) goes high as he returns a 49er punt in third quarter action on Sunday, Nov. 2, 1970 at San Francisco. Packer guard at right is Forrest Gregg (75). The 49ers took the Packers, 26-10. (Associated Press)

Green Bay Packers linebacker Clay Matthews (52) celebrates his sack against the San Francisco 49ers during an NFL football game in Green Bay, Wisconsin Saturday, Sept. 9, 2012. (AP Photo/Tom Hauck)

Green Bay Packers' Randall Cobb (18) runs back a punt for a touchdown during the second half of an NFL football game against the San Francisco 49ers Monday, Sept. 10, 2012, in Green Bay, Wis. (AP Photo/Morry Gash)

San Francisco 49ers quarterback Joe Montana (16) shares pleasantries during an NFL football game with Green Bay Packers linebacker Tim Harris (99) on Sunday, Nov. 19, 1989, in San Francisco. The Packers won the game, 21-17. (AP Photo/Greg Trott)

San Francisco 49ers defensive back Ronnie Lott (42) picks up fumbled ball during a game against the Green Bay Packers at Candlestick Park on November 19, 1989. (AP Photo/Al Golub)

San Francisco 49ers Steve Young plays in a game against the Green Bay Packers at Candlestick Park in San Francisco, CA. November 19, 1989. ( AP Photo/Tom DiPace)

San Francisco 49ers vs. Green Bay Packers at Candlestick Park Saturday, January 6, 1996. Packers beat 49ers 27-17. San Francisco 49ers quarterback Steve Young (8) out runs Green Bay Packers defensive back Craig Newsome (21). (AP Photo/Al Golub)

Green Bay Packers safety LeRoy Butler (36) intercepts a San Francisco 49ers quarterback Elvis Grbac pass in front of intended receiver Tommy Vardell in the first quarter Monday, Oct. 14, 1996, in Green Bay, Wis. (AP Photo/Mike Roemer)

Green Bay Packers' Edgar Bennett (34) hurdles teammate Aaron Taylor during the fourth quarter of Green Bay's 35-14 win over the San Francisco 49ers on Saturday, Jan. 4, 1997, in Green Bay, Wis. Bennett had 80 yards and scored two touchdowns. (AP Photo/Mark Duncan)

Green Bay Packers tight end Mark Chmura , right, tries to get by San Francisco 49ers linebacker Lee Woodall during the NFC Divisional Playoffs at Lambeau Field in Green Bay, Wisc., in this Jan. 4, 1997 photo. (AP Photo/Mark Duncan)

Green Bay Packers quarterback Brett Favre, left, talks with San Francisco 49ers safety Tim McDonald after Green Bay won 35-14 to advance to the NFC Conference finals in Green Bay, Wis., on Jan. 4, 1997. (AP Photo/Morry Gash)

Green Bay Packers, from left, John Michels, Brett Favre and Andre Rison celebrate after Green Bay's Antonio Freeman recovered a fumble by teammate Edgar Bennett for a touchdown in the third quarter against the San Francisco 49ers in Green Bay, Wis., on Jan. 4, 1997. (AP Photo/Morry Gash)

San Francisco 49ers wide receiver Terrell Owens catches the game-winning 25-yard touchdown pass during an NFC Wild Card game against the Green Bay Packers Sunday, Jan. 3, 1988 in San Francisco. The 49ers won the game, 30 to 27. (AP Photo/Greg Trott)

Green Bay Packers defensive tackle Santana Dotson celebrates with Packers fans after defeating the San Francisco 49ers 23-10 in the NFC Championship game played at 3Com Park in San Francisco, Calif., Sunday, Jan. 11, 1998. (AP Photo/Paul Sakuma)

Green Bay Packers safety Eugene Robinson tries to get of the grasp of San Francisco 49ers tight end Brent Jones (84) after intercepting a pass during the first half of the NFC championship game at San Francisco's 3Com Park, Sunday, Jan. 11, 1998. (AP Photo/Paul Sakuma)

A pass to Green Bay Packers wide receiver Antonio Freeman (86) is broken up by San Francisco 49ers cornerback Tyronne Drakeford (22) during the third quarter of the NFC championship game at San Francisco's 3Com Park, Sunday, Jan. 11, 1998. (AP Photo/Bob Galbraith)

San Francisco 49ers defensive tackle Dana Stubblefield (94) rushes Green Bay Packers quarterback Brett Favre (4) during a game at Candlestick Park on Sunday, January 11, 1998. (AP Photo/Al Golub)

Green Bay Packers quarterback Brett Favre (4) celebrates during a game against the San Francisco 49ers at Candlestick Park on Sunday, January 11, 1998. (AP Photo/Al Golub)

Green Bay Packers quarterback Brett Favre (4) holds the NFC championship trophy during an NFL game against the San Francisco 49ers on Sunday, Jan. 11, 1998, in San Francisco. The Packers won the game, 23-10. (AP Photo/Greg Trott)

Green Bay Packers quarterback Brett Favre throws a pass as San Francisco 49ers' Charles Haley moves in during the third quarter of the NFC wild card playoff game at 3COM Park in San Francisco, Sunday, Jan. 3, 1999. (AP Photo/Bob Galbraith)

San Francisco 49ers tight end Greg Clark (85) celebrates a touchdown with wide receiver Jerry Rice (80) during a game against the Green Bay Packers at Candlestick Park on Sunday, January 3, 1999. (AP Photo/Al Golub)