Because
by HTownND (2019-10-16 15:15:02)

In reply to: Why didn’t Detroit challenge the Pass interference *  posted by Bellcon


The NFL has shown they are extremely adverse to overturning calls (or non calls) when they have been.

There was a clear PI on Thursday night, it wasn't called initially, it was challenged, and despite crystal clear evidence of PI, wasn't changed.

I think coaches have gotten wise to the fact that unless it's game changing egregious (the Saints game), the replay for PI is a sham.