The Bills are hoping their luck will change ... in the AFC championship game once Christian Benford was lost to a concussion, Buffalo couldn't simply run things back in the secondary.

The Buffalo Bills addressed defense in the first round ... After starter Christian Benford went down with a concussion early in the AFC title game, the Bills were forced to turn to backup Kaiir ...

He had a quick response when asked what he'll bring to the Buffalo Bills after they selected him ... game once Christian Benford was lost to a concussion, Buffalo couldn't simply run things ...