Quarterback Matthew Stafford then hit rookie Kenny Golladay with a 54-yard scoring strike for a 10-3 Lions lead with 7:27 to go until intermission.
So, with Caldwell likely being fired, Lions general manager Bob Quinn will have to determine who the next Detroit Lions head coach will be.
The Lions finished with a 35-11 victory to complete the series sweep over the Packers.
Score is 20-3 Lions at the half.
When the job becomes open, keep an eye on Patriots defensive coordinator Matt Patricia, a hire that would allow the Lions to keep the offensive side of the ball mostly in place.
This is the first time since 2008 the Packers are not going to playoffs. Without Aaron Rodgers for much of the season, Allison's big-play ability that he flashed in 2016 was of no use to Brett Hundley, even when Allison was given playing time due to injuries.
New Year's celebrations from around the world
Fireworks illuminate the sky near Malaysia's Petronas Twin Towers during New Year celebrations in Kuala Lumpur on January 1, 2018. Countries such as New Zealand, Australia and Japan are among the first ones on the globe to welcome in 2018.
We had a lot of opportunities, Hundley said.
Stafford was 20 of 29 for 323 yards without a turnover.
McCarthy may make changes on his coaching staff this offseason, but he refused to talk about anything not related to the season-ending loss.
The disappointing season for Ha Ha Clinton-Dix didn't get a break in Week 17.
Vikings: CB Trae Waynes left the game with an injured right shoulder, but was able to return.
The Lions entered the game as 7-point favorites.