I commented in another thread that GB backups used to be better. Here are backups, probably with some errors, since Favre became starter
1992 Don Majkowski, Ty Detmer
1993 Ty Detmer, Mark Brunell
1994 Mark Brunell, Ty Detmer
1995 Ty Detmer, T.J. Rubley
1996 Jim McMahon, Doug Pederson
1997 Jim McMahon, Doug Pederson, Steve Bono
1998 Doug Pederson
1999 Matt Hasselback
2000 Matt Hasselback, Danny Wuerffel
2001 Doug Pederson
2002 Doug Pederson
2003 Doug Pederson, Craig Nall
2004 Doug Pederson, Craig Nall, J.T. O'Sullivan
2005 Aaron Rodgers
2006 Aaron Rodgers, Ingle Martin
2007 Aaron Rodgers, Craig Nall
2008 Matt Flynn
2009 Matt Flynn
2010 Matt Flynn, Graham Harrell
2011 Matt Flynn, Graham Harrell
2012 Graham Harrell
2013 Seneca Wallace, Matt Flynn, Scott Tolzien
2014 Matt Flynn, Scott Tolzien
I guess things have been sketchy the past three years.
McMahon and Pederson were pretty bad. I think we remember Pederson fondly because he didn't have to play.