Foster kept the score down and Birmingham out of the relegation zone with a string of saves, denying Sidwell, Clint Dempsey and Johnson.
Owens fired over at the backpost in the first period of extra-time before O'Neill produced two excellent saves, denying McMullan and Boyce.
The Canaries' England international goalkeeper Ruddy was forced into a series of impressive close-range saves, denying Ricardo Vaz Te, Cole and Kevin Nolan in the space of eight first-half minutes.
Kenny kept Leeds in sight of a point with two more fine saves, denying Maynard from six yards and then dropping to the ground quickly as Smith fired from 18 yards through a crowded area.
And boomers, better known for spending than saving, deny themselves little -- even if it means going into debt.
One of his saves denied a hat trick to Ottawa's hometown hero, Daniel Alfredsson, who has captained the Senators for 12 of the 16 years he has been with the team.
That instigated a better spell for Allardyce's side, who almost went in front again, but Elliot's superb double save denied Nolan, while Carroll had another penalty appeal turned away by referee Phil Dowd.
Level at 3-3 afive fiveachch, Bayern eventually won when Oliver Kahn made his third save, denying Mauricio Pellegrino.
But Carl Ikeme pulled off a double save, denying Owen Garvan's spot-kick before saving his follow-up effort.
Tomlin and George Boyd went close for the home side as they pushed for the opener, but Posh's Robert Olejnik was the first keeper to make a meaningful save, denying Baldock after the restart.
