If you mean two QBs with rings in their pocket at the time they met, Staubach/Bradshaw and Theismann/Plunkett.
If on the other hand, you mean QBs who met in the SB and finished their careers with one or more rings, there's a whole bunch. Mostly involving John Elway
Starr/Dawson.
Unitas/Namath.
Elway/Favre.
Elway/Montana.
Elway/Simms.
Elway/Williams.
Elway/Young.
Brady/Warner.
I may be overlooking a few.