Replacement refs once again became an issue Sunday night, as a controversial illegal contact penalty followed by a rare bench personal foul assessed to the Ravens stirred the M & T Bank Stadium crowd into a rage. Indeed, it nearly sounds as if the entire city of Baltimore is joining in the "Bullshit" chant, one so loud NBC commentators Al Michaels and Cris Collinsworth were forced to address with various "manure" references.

Here's the isolated crowd audio track so you can year just how loud it really was inside the stadium. It's been suggested this is the loudest "Bull-Shit" in history, though you'll have to be your own judge for that. [NBC]