According to to former NFL referee Terry McAulay, who now works as a rules analyst for NBC, the 49ers should have been flagged for what appeared to be a blatant penalty on the play.

After six games, the Atlanta Falcons remain one of the NFL's most confusing teams.

So, as we look through Sunday's game, let's take a look at the Pro Football Focus grades to see who they believe were the best and worst 49ers on the field.