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It started as a bit of a mystery: how did the cooling shirt end up in NASCAR?

Some drivers didn’t know. Others assumed it had to be Hendrick Motorsports — or, more specifically, Jimmie Johnson, who always seemed to be on the cutting edge of fitness and nutrition.

“I was the first driver to wear one,” Johnson said, “but the guy who started it was Chad Knaus.”

According to Johnson, his crew chief always had an eye on new technology as well as a holistic approach to performance, and that included Johnson. The seven-time Cup Series champion also dealt with cramping and was susceptible to heat issues, so Knaus got his hands on a cooling shirt and decided to test its effectiveness.

“When we used to paint the cars, one of the bays would be to roll the car in and they would make it 100 degrees in there to hurry up and cure the paint,” Johnson said. “[Knaus] literally had one of our guys go in there with this damn shirt on, plug it in the wall and sit in there and test it by pretending he was in a race car. I’ll never forget Chad calling me, ‘You won’t believe it, this cool shirt thing works! I’ve got so-and-so in the spray bake booth, and I’m cooking him in there, and he’s got the shirt on, and it feels great!'”

Johnson began wearing the shirt around 2018 or 2019. At first, only his teammates knew. He didn’t want his competitors to know because it was an advantage behind the wheel. Over time, it became public knowledge and a monkey-see-monkey-do of drivers following Johnson’s lead.

Joey Logano breaks into his signature smile and big laugh.

“It’s like jumping in a pool on a hot summer day,” the reigning NASCAR Cup Series champion said. “It feels great. It’s awesome.”

The simplest way to describe it is a shirt with cooling technology. The shirt houses tubes through which cold fluids run. It has revolutionized driver comfort.

“I think back years ago when we did ice packs in our suits and threw them out between stops,” Erik Jones said. “The endurance side, on a hot day, it’s just a game changer. There were days when you’d get out of those hot races and you were done and wiped out, even as much as you trained or didn’t train. So, this has changed it to where if it’s a 90-degree day, I don’t think anyone is worried about the heat in the car anymore.”

The process of driver comfort has evolved through the years. Ice packs, fans and the helmet hose, which is still used to blow cool air on the driver’s head, were some of the ways drivers tried to keep their temperatures down. The helmet hose doesn’t have the same impact as the cooling shirt considering the latter’s surface, though. Today, it’s hard to find a driver in the field who isn’t wearing one.

Jones was not alone in using “game changer” when talking about the cooling shirt. Michael McDowell, one such driver, correlated the uptick in drivers using the shirts to the introduction of the Next Gen car in 2022. Cup Series teams quickly realized through the testing phase how much hotter the cars were, making the shirts much more appealing.

“[The shirts] were around, but they would fail often, or they wouldn’t be that cold,” McDowell said. “You would be worried to run them because you didn’t know if it would be a good or a bad day for it, but now, I know there are still some troubles every now and then, but phew, it’s unbelievable how much that helps keep your core cool, your vital organs cool, and just lowering your heart rate from taking some of that heat out is a big deal.”

Shane van Gisbergen even freezes his shirt beforehand to make it even colder. So important is the ritual that his PR representative has a standing reminder to “put cool shirt in freezer an hour and a half before the drivers’ meeting” in her personal calendar.

Some drivers don’t wear the shirt every weekend, making the decision based on the weather. Ross Chastain is one, saying that there are times when he wants to sweat.

“Martinsville, I had to use the bathroom because I wasn’t sweating enough,” he said.

When in the car, the shirt (or vest, depending on choice) under the firesuit connects to a pump. The pump can be mounted anywhere, as Cesar Villanueva, the interior specialist for Kyle Larson at Hendrick Motorsports, explained.

The pump cycles through water and a mixture of antibacterial and antifungal fluid. It helps keep the system clean, and if the fluid isn’t cycled, it can clog. Naturally, if it clogs, the pump won’t run. However, there is more than one reason that a system might fail a driver during the race.

“You’re just trapped in a bad situation,” Austin Dillon said about the system failing. “There is nothing you can really do about it but shut it off, and you can dump the water out if you have to, but it’s kind of like a lifeline. It’s pretty important to have.”

A failure means a driver begins to boil. The fluids become hot, and there is no escape if the water can’t be dumped.

“It’s great until it’s not,” Logano said. “But more times than not, it’s great. Honestly, they’ve done a good job developing that whole system. It used to be really heavy, which is why no one used it, and now you have a process where it’s pretty efficient to run, and if it can mentally help you at the end of a race because you’re physically fresher, you do it.

“I don’t care how good of shape you’re in, you’re going to be fatigued after 400 or 500 miles. If you can keep yourself a little fresher, it’s probably worth it.”

Of course, the weight is a big deal. Sure, driver comfort is paramount, but so is car performance, and weight costs precious lap time. Because of its impact, it has been necessary to accept using the unit, which Villanueva said could be about 6½ to 7 pounds.

“I think we’ve accepted some of the weight penalty in wearing it,” Chris Buescher said, “because you have to make sure you’re as fresh as possible to fight at the end of these races.”

Tyler Reddick began using one in 2021 after he lost weight. He noticed that he suddenly needed something to keep his core temperature better regulated because it was getting very hot very quickly, without, as he says, the insulation.

Reddick’s praise, though, is the perfect way to sum up the cooling shirt in NASCAR.

“A lot of drivers use it,” he said. “I think what it does for cooling the body is probably the most efficient thing that we have.”

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Bottom 10: Things got even grimmer in Not-So-Happy Valley

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Bottom 10: Things got even grimmer in Not-So-Happy Valley

Inspirational thought of the week:

We’re taking the train to Happy Valley
Won’t you come along there too
It’s beautiful there in Happy Valley
With wonderful things to do

The sun shines brightly the whole day long
Every bird sings a different song
There’s no need to worry, there’s joys untold
In Happy Valley you’ll never grow old

— “Happy Valley,” Rodd and The Cavaliers

Here at Bottom 10 Headquarters, located behind the giant lake of frying grease that is held in a secret location in metro Dallas until the State Fair of Texas starts and it’s time to cook balls of butter and funnel cake burgers, we used to roll our eyes at the term “unprecedented times.” Why? Because we once believed that all times are precedented. As William Shakespeare once wrote, “Past is prologue.” And as my Uncle Willie once said to me, shaking a spear of asparagus, “Don’t get all worked up, Ryno. Ain’t nothing gonna happen that ain’t never happened before.”

So, what changed our mind? Penn State went to the Rose Bowl Not The Rose Bowl Game to play UCLA.

So, what do we do now? A Coveted Fifth Spot team that earned that Coveted Fifth Spot by losing an OT game to a top-5 team, so we know the team isn’t actually that bad, turns right around and loses to a Bottom 10 team that we know is actually that bad. Does that mean that team should be back in the Coveted Fifth Spot because it isn’t actually that bad … or does it graduate from the Coveted Fifth Spot into the actual Bottom 10 because it is actually that bad? And what about the team that was definitely bad but beat that team? Does it graduate out of the Bottom 10 … or does it stay in the Bottom 10 because perhaps the team that we thought wasn’t bad is actually bad?

To quote Cal Naughton Jr., the NASCAR driver who thought he was bad only because teammate Ricky Bobby wouldn’t let him win, thus keeping him thinking he was bad: “My head’s all tied up like a pretzel. I got a pretzel in my head!”

And you know where they make the best pretzels? Pennsylvania.

With apologies to former SMU wide receiver Happy Nelson, former Florida State running back Happy Fick, current Kentucky D-lineman Nic “Happy” Smith and Steve Harvey, here are the post-Week 6 Bottom 10 rankings.

The Bearkats were krushed by New Mexiko State and now, after zero home kontests in September, kan kruise through most of Ocktober in the friendly konfines of Huntsville, Teksas.


The Beavers are the nation’s only six-loss team after traveling 4,477 miles round trip to lose a heartbreaker in Boone, North Carolina, to Appalachian State. Now they host Wake Forest, which will make a 4,624-mile round trip from Winston-Salem, North Carolina, to Corvallis and back. FWIW, Wake and App State are separated by 86 miles. The Beavs should have just stayed in North Carolina and spent the week in the foothills eating barbecue, drinking moonshine and watching the fall foliage turn orange and black, both the colors of Oregon State and the colors that your liver turns after drinking real Carolina moonshine.


It was the actual Minutemen who were perched on Bunker Hill, holding steady atop Boston as the British marched closer and closer, but refusing to engage because they had been ordered by their commanding officer, “Don’t fire until you see the whites of their eyes!” That was us throughout the first six weeks of the season, as we waited not so patiently for Saturday’s Pillow Fight of the Week of the Year of the Century Mega Bowl, pitting UMass against …


“Don’t fire until you see the Golden Flashes of their eyes!”

“But, sir, we can’t see their eyes!”

“Why not?”

“Because their eye sockets and cheeks are so bruised and swollen from their trips to Florida State and Oklahoma!”


So, the answer to the question that we started with “So” in the intro to these rankings is that, yes, you can be a back-to-back Coveted Fifth Spot team. And all you Texas Longhorns fans can make your thank-you checks out to the Ryan McGee Key West Retirement Fund.


Last week I failed to have the Woof Pack in these rankings and I heard from a lot of folks in Reno about that, angry that their hometown team wasn’t included. But they didn’t see the comments I received during the weeks prior from folks upset that they were included. One of them was tied around the neck of a horse’s head that was in my bed, signed by someone named “Tahoe Tommy.”


I have also heard from a lot of people in central Tennessee, wondering why I haven’t had the Mob from Murfreesboro in these rankings more, especially since their only win of the year was over Nevada, and that was by only one point. One of those notes was tied around the neck of a possum’s head that was in my bed, signed by someone named “Chevy Tahoe Tammy.”


Oklahoma State’s leading passer, rusher and receiver have all combined for exactly zero touchdowns. The last time there was this little scoring in Stillwater was when I visited town for a Beanie Babies resale convention.


Let’s give credit to the Niners, who have played games on seemingly every day of the week but Saturday to get national TV exposure. It’s the perfect Halloween horror programming.


The Emus barely edged out Northern Ill-ugh-noise in a #MACtion showdown for the Not So Coveted Tenth Spot. But that was merely a virtual showdown. This weekend they will meet in an actual showdown, kicking off 1½ hours before the UMass-Kent State game. Let’s call it the Throw Pillow Fight of the Week, because it’s the slightly smaller pillow we have to move to get to the actual pillow.

Waiting list: UCLA Boo-ins, Northern Ill-ugh-noise, UTEPid, Bah-stan Cawledge, UNC Chapel Bill, Georgia State Not Southern, Stanfird, My Hammy of Ohio, South Alabama Redundancies, Give Me Liberty Or Give Me 1-4, the definition of a catch.

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Jets lock up forward Connor with $96M extension

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Jets lock up forward Connor with M extension

The Winnipeg Jets took care of business ahead of their regular-season opener, signing top forward Kyle Connor to an eight-year, $96 million extension on Wednesday.

It’s the richest contract in Jets franchise history, earned by one of their most consistent performers. Drafted by Winnipeg 17th overall in 2015, Connor has scored 30 or more goals in seven of his eight full NHL seasons to date and surpassed the 40-goal mark in two of his past four campaigns.

In 2024-25 he collected a career-high 56 assists and 97 points in 82 games and ranks top 20 among all NHL skaters in goals (153) and points (331) since 2021.

Winnipeg finished atop the league standings last season with a 116-point effort that only carried them to a second-round playoff defeat against Dallas. Keeping Connor in the fold was critical for the Jets to maintain their position as a contending team in the Western Conference. Winnipeg’s core includes Hart and Vezina Trophy-winning goaltender Connor Hellebuyck, top center Mark Scheifele and blueliner Josh Morrissey.

Connor, 28, is now one of four Jets — including Scheifele, Gabriel Vilardi and Neal Pionk — locked in through 2030.

This could be the start of a big year for Connor. He represented Team USA at the 4 Nations Face-Off in February and was part of their Olympic orientation camp over the summer ahead of NHL players returning to participate in the 2026 Milan-Cortina Games.

Winnipeg hosts its first game of the season on Thursday at home against the Stars.

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Oilers follow McDavid extension with Ekholm deal

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Oilers follow McDavid extension with Ekholm deal

Days after signing superstar Connor McDavid to a two-year extension, the Edmonton Oilers have locked up one of the most important championship players around him in defenseman Mattias Ekholm.

Ekholm, 35, signed a three-year, $12 million extension Wednesday that starts in the 2026-27 season. Ekholm is in the final season of the four-year contract signed with the Nashville Predators in 2021 that carries a $6 million average annual value. He would have been an unrestricted free agent next summer.

Entering his 15th NHL season, Ekholm had 33 points (9 goals, 24 assists) in 65 games last season for the Oilers. His 22:11 in average ice time was third on the team. One of Edmonton’s primary penalty killers, Ekholm also sees time on the power play.

The Swedish defenseman’s comportment and facial hair also inspired a group of Edmonton fans called “The Dancing Ekholms,” who attend games in horned helmets, kilts and war paint to honor their “Viking Warrior.”

Ekholm’s signing comes two days after McDavid agreed to a two-year contract extension with a $12.5 million AAV, a steep hometown discount that gives general manager Stan Bowman cap flexibility to build a winner around the star center.

Bowman immediately went to work, signing Ekholm and defenseman Jake Walman (7 years, $49 million) to contract extensions. The Oilers now have nine players signed through the end of McDavid’s deal in 2028.

Edmonton is coming off its second straight defeat to the Florida Panthers in the Stanley Cup Final. The Oilers have played in the postseason in six straight seasons.

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