10 takeaways from Petzing, Sheppard & Fipp

Detroit Lions offensive coordinator Drew Petzing, defensive coordinator Kelvin Sheppard and special teams coordinator Dave Fipp spoke to the media Thursday as they do every week during the regular season.

Here are my 10 biggest takeaways from those media sessions:

1. The Lions defense has allowed just 15.5 points per game over their current four-game win streak. That side of the ball has played good football going on a month now.

"I like the mentality that guys are playing with, the swagger, the confidence," Sheppard said. "And I think it's just breathing through the entire defense. I love the way that we're improving.

Sheppard said the biggest improvement over the last month has been limiting…