Miami at Detroit: Three Things We Learned

It was a defensive affair as the Lions bested the Dolphins, 20 to 16. Here's the three things we learned.

The Lions are currently top of the NFC North. So is this a team with genuine playoff potential? Or a team just getting by with lucky wins?
Cold Hard Football Facts -- The Lions overcame a 14-point deficit in last week’s 24-23 win against New Orleans, are the fifth team in NFL history to win back-to-back games when trailing by at least 14 points one week and by 21+ points the following week.
Tight end Joseph Fauria may miss time with the Detroit Lions after an apparent incident involving his puppy.