With a first-round bye a trio of San Francisco scout teamers wore the jerseys numbers of key Green Bay Packers during Friday's practice, the team's last organized workout of San Francisco's bye week.
They simulated top Green Bay wide receivers Randall Cobb and Jordy Nelson along with tight end Jermichael Finley as third-string 49ers quarterback Scott Tolzien tossed passes.
''There's definitely some game planning going on,'' said tight Garrett Celek, who swapped his usual No. 81 jersey for a red No. 88, which is Finley's number.
''Still, we're not sure who we're going to play. But since we have this week, we're taking advantage of it and getting certain things ready for whatever happens next week.''
The Packers, seeded third in the NFC, host No. 6 Minnesota on Saturday night. If Green Bay beats the Vikings, the Packers will play at San Francisco on Jan. 12.
Otherwise the 49ers (11-4-1) will host the winner of Sunday's game between fourth-seeded Washington and No. 5 Seattle.
Among the other 49ers in different uniform numbers: Chad Hall wore No. 18 (Cobb) and Ricardo Lockette dressed in No. 87 (Nelson).
''It's definitely helpful. We've faced those guys before and we have a potential of seeing those guys again,'' Pro Bowl safety Dashon Goldson said.
Typically, Ed Donatell, who coaches the secondary, and other defensive assistants bring practice squad wide receivers, tight ends and running backs into meetings to teach players tendencies of San Francisco's opponent that week. Offensive assistants will do the same for defensive players tagged for the ''look team.''
Players will take that knowledge onto the practice field against the first-team offense and defense to prepare the starters for the game. If nothing else, it gets players used to seeing the routes and numbers of their upcoming opponent.
The only difference this week is that the 49ers don't actually have an opponent.
''I think it's really important. We have all this time off, so you might as well take advantage of it,'' said Celek, the brother of Philadelphia Eagles tight end Brent Celek.
''I think to just sit on our butts and do nothing wouldn't be very smart. We've got to get ahead of the curve and I think this is a good way to do it.''
While the 49ers won't practice again until Monday, players will be tuned into this weekend's games.
Players said they'll be watching as casual observers, leaving the scouting for the film coaches to break down when they return to 49ers headquarters.
They also said it doesn't make a difference what team they face, though Washington would be the only possible opponent San Francisco hasn't seen yet.
The 49ers won 30-22 at Green Bay in Week 1. They split both games against the Seahawks, winning 13-6 in Week 7 at San Francisco and falling 42-13 at Seattle in Week 16 – the most lopsided loss of coach Jim Harbaugh's two-year tenure.
''It's all about consistency,'' left tackle Joe Staley said. ''You've got to do it again. What you did last time doesn't mean anything going into next game. We just have to continue to improve. We just got to be consistent and do it again. That's the challenge each and every week is just to build on any successes you had last week and change anything you didn't do well the week before. That's our focus.''
NOTES: DT Justin Smith practiced with a brace over his injured left arm for the second straight day. He is planning to play despite a partially torn triceps muscle that sidelined him for the final two regular-season games. ... David Akers and Billy Cundiff continued their kicking competition. Coach Jim Harbaugh stood behind them as they kicked without an offensive or defensive line during the portion of practice open to reporters. Both looked sharp, but Cundiff appeared to have considerably more pop off his kicks. ... RB Frank Gore watched practice from the sideline. ... LB Aldon Smith wore a black non-contact jersey.
49ers preparing for playoff rematch with Pack
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