Joe Gibbs Racing's Chase Briscoe is hoping that career win number six proves the sweetest yet, with the driver of the No. 19 Joe Gibbs Racing Toyota having made the NASCAR Cup Series championship four at Phoenix Raceway on Sunday. But there is a lot more at stake for Chase than just silverware in Arizona.

Cheering 30-year-old Chase on from the iconic dogleg oval will be his family, including wife Marissa, and three children, Brooks, Collins, and Cooper, although arranging their travel to Arizona has proven a challenge in itself.

"Rusty Rush is going to take the whole family for me. So yeah, Rusty obviously isn't on my car anymore, but has still been a close friend," Chase told Bob Pockrass. "Rush Truck Centers has been on the 14 car forever. So yeah, he already has a logistical nightmare, he says, that Sunday because he's on Tony's [Stewart's] dragster in Vegas.

"And so he's going to go to Vegas, then come to watch the Cup race. But yeah, he's going to send his plane out, so I can take the whole family out."

Rush's ability to step in and help the Briscoe family proved "a huge relief," with Chase even calling it "the biggest win of the whole week."

"No matter what, the fact is that we can go out there and know that they're all going to get there and won't have to stress about getting three car seats checked, all the luggage checked. Yeah, it'll be super easy. Literally just get there, get on the plane, and go to Phoenix."

However, the return leg remains up in the air, and seemingly all hangs on how Chase performs up against teammate Denny Hamlin and the Hendrick Motorsports duo of William Byron and Kyle Larson in the championship four.

"He's not flying us back. He said, 'I can get you there, but I can't get you back.' So hopefully we win the championship, and then it'll make it easy to come back because JGR obviously sends a plane," Chase said. "Or if I can't win, hopefully Denny wins, so JGR still sends a plane. If not, we'll do the red eye on Thursday. So sorry to everybody that's on that plane."

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Heading into Phoenix, as Dale Earnhardt Jr. explained, the battle for the championship is "wide open," with all four finalists entering the race on "equal" footing.

Byron enters the race off the back of perhaps his best and most dominant race to date, having won pole, both stages, and the race at Martinsville Speedway, while Larson is the only one of the finalists to have previously won a championship, having done so via a win in Phoenix.

As for the JGR entries, Briscoe is fresh off of by far his best and most consistent season to date, leading the way in points and in top-five finishes. Hamlin, meanwhile, leads the series with six wins this season, leaving him the joint 10th winningest driver in Cup Series history with 60.