Don't leave it up to the refs. The Lions were smoking hot, then went super conservative. The way they were playing, and the aggressive play calling, could have had them at like 30 to 3 at halftime. Don't take your foot off the pedal and allow situations and guess what, they won't happen. There are too many rules in general now in football, and the lack of play by play replay in the background, for those important calls doesn't exist. All teams know this, but take their foot off the pedal. The refs influenced a handful of plays, the Lions influenced 3 quarters of conservative, predictable, play.