DETROIT — Just as the Detroit Red Wings looked like they were getting into a groove, they hit a stumbling block Wednesday in a 4-1 loss to the Utah Mammoth.

It’s only one game for a team that still sits atop the Atlantic Division, and none of the Red Wings players or coaches were going to panic in the aftermath. But a night after head coach Todd McLellan cautioned, “You can’t give it back,” after a strong run of recent play, a three-goal loss on home ice wasn’t the follow-up anyone was looking for.

Here’s what went wrong and some other thoughts from Wednesday night.

1. There was no doubt what McLellan thought the biggest issue was against the Mammoth.

“For me, the difference was obvious,” he said. “It was play around our net.”

And that was a theme on all four goals Detroit allowed. On the first, Simon Edvinsson drifted just off of Clayton Keller in the slot, giving him enough room to put home a big rebound off Cam Talbot. On the second, Ben Chiarot didn’t tie up Jack McBain on the back post. The third was a bit different, as no one really lost their man, but when Moritz Seider went to clear a trickling puck headed for a goal line, he ended up bouncing it off Talbot’s pad and right to Dylan Guenther for an easy goal. And on the fourth, Nate Danielson was a step or two off his check in the slot for a one-timer.

“It’s like sitting at your desk at school,” McLellan said. “You’re sitting there, but big deal. Are you doing any work? We’re in position. Do the work. Do the job. Get it done.”

McLellan also noted that Edvinsson and Danielson threw their heads back after the first and fourth goals, indicating they knew immediately what had gone wrong.

2. Though those goals against were ultimately the difference in the final score, Detroit also created far too little danger of its own against the Mammoth, especially at five-on-five.

Detroit’s top players, in particular, had uncharacteristic nights, with their first line (Larkin, Lucas Raymond and Emmitt Finnie) and the top defense pair (Seider and Edvinsson) all ending the night at minus-2, and with five-on-five expected goals shares below 25 percent, according to Natural Stat Trick.

Finnie got the Red Wings’ lone goal on a third-period power-play blast that briefly gave Detroit life, but there just weren’t enough serious chances in the second or third periods to really threaten Utah.

Although Detroit’s power play eventually scored in the third, a pair of second-period opportunities on the man advantage went by uneventfully when the score was still 1-0. The Red Wings didn’t record a shot on goal in the first of those two chances, and the top unit managed just one shot on goal in the second as well.

“We had looks, we had zone time, we just didn’t get it done,” Larkin said. “Didn’t get pucks through. Credit to them, they had a tight diamond, and I’m sure Todd will tell you both on their penalty kill and five-on-five, they probably won the net play tonight, and that was probably the story of the game.”

Certainly, the lack of any five-on-five offense is a more damning proposition than a 1-for-4 night on the power play. But situationally, in a one-goal game, those were big missed chances to swing momentum. Utah scored just 22 seconds after killing off the second penalty to make it 2-0, and that ultimately proved to be the game-winning goal.

Still, with just one even-strength goal in the last two games, the Red Wings are going to need more there, and that includes their top players, who have really carried them offensively to this point.

3. Wednesday’s loss dropped the Red Wings to 1-5 in the second half of back-to-backs this season.

It’s a small sample, but that stands out, even with the inherent challenge of playing on consecutive nights. It didn’t seem to slow Utah too much Wednesday, for example.

Larkin acknowledged the Red Wings will have to be better in those situations, particularly with more on the horizon. Detroit will play three more sets of back-to-backs in the next two weeks, with a home-and-home against the Washington Capitals this weekend, tilts against the Carolina Hurricanes and Toronto Maple Leafs the following weekend, and then the Winnipeg Jets and Pittsburgh Penguins at New Year’s.

I asked McLellan if there was anything he could put his finger on with the back-to-backs, and he pointed out that Detroit hadn’t scored first in any of those losses. That is true, and it’s probably a symptom and a cause.

Not scoring early has been a theme all season, though. Detroit has just 19 first-period goals in 35 games, which ranks 30th in the league, while giving up 28. The goals against number isn’t so bad — it’s still roughly league average — but it still translates to coming out of the first in a hole too often.

4. Just as John Gibson seems to have found a bit of a rhythm for the Red Wings, Cam Talbot — who was Detroit’s rock in net early this season — has slipped into a bit of a funk. Not many of Wednesday’s goals were on him, but the rebound he gave up on the first goal (stemming from a low-percentage shot from along the boards) and then the trickling puck that led the third are atypical of where he was to start the season.

McLellan said he thinks the Red Wings have played better in front of Gibson of late, a reversal from early in the season, but that he’d “have a conversation (with Talbot) real quick, just let him know that we believe in him, because we do.”

5. After Tuesday night’s game, I noted Detroit had a tougher portion of the schedule coming up, with the back-to-back games against Washington and hosting a good Dallas Stars team to lead into Christmas.

Co-worker Dom Luszczyszyn pointed out to me that it’s actually more dramatic in the big picture. His model projects the Red Wings with the league’s toughest remaining schedule coming into Wednesday, and Detroit’s remaining opponents also have the second-highest collective win percentage.

That’s just one more reason that banking every point possible matters right now, especially from Eastern Conference foes they’ll be competing with for a playoff spot.

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