In this week's episode of The Late Sub, Claire takes a moment to talk about the final few days of Alex Morgan’s professional career, how the soccer world has changed since Morgan’s debut, and how the star herself spoke about what’s next.

Then, she discusses what Angel Reese’s season-ending injury means for the WNBA playoff race, salutes the US Open, reflects on the 2024 Paralympic Games, and more.

The Late Sub with Claire Watkins brings you the latest news and freshest takes in women’s sports. This is the weekly rundown you’ve been missing, covering the USWNT, NWSL, WNBA, college hoops, and whatever else is popping off in women’s sports each week. Special guest appearances with the biggest names in women’s sports make The Late Sub a must-listen for every fan. Follow Claire on X/Twitter @ScoutRipley and subscribe to the Just Women’s Sports newsletter for more.

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In her first-ever Grand Slam quarterfinal victory, No. 6-seed Jessica Pegula knocked No. 1 Iga Świątek out of the 2024 US Open in straight sets Wednesday night.

Now in uncharted territory, the US tennis star will aim at extending her historic run in tonight's semifinal against unseeded Czech opponent, Karolina Muchová.

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Quarterfinal victory proved Pegula's dominance

The 30-year-old Pegula, who has yet to drop a set all tournament, took control of yesterday's match immediately, winning the first game on Świątek's serve — the five-time Grand Slam winner's first broken serve in 26 games.

Świątek, the 2022 US Open champion, committed 18 unforced errors in the first set. Visibly frustrated with her performance, the Polish phenom retreated to the locker room to regroup — a move that ultimately proved unsuccessful in the wake of Pegula's relentless 6-2, 6-4 victory.

After six previous Grand Slam quarterfinal attempts, Pegula celebrated, telling the crowd post-match that "there have been so many freaking times, and I just kept losing.... So thank God I was able to do it. And finally — finally! — I can say, 'Semifinalist.'"

US tennis player Emma Navarro hits the ball in her 2024 US Open quarterfinal win
No. 13 Emma Navarro joins No. 6 Jessica Pegula as the two US players to make the 2024 US Open semis. (Robert Prange/Getty Images)

Two US contenders will feature in tonight's semis

Pegula isn't the only contender making her Grand Slam semifinal debut tonight. Before Pegula takes the court, fellow US player No. 13 Emma Navarro will take on reigning back-to-back Australian Open champion No. 2 Aryna Sabalenka.

Sabalenka, who fell to US star Coco Gauff in last year's US Open, hopes for better luck against Navarro — the player who ousted the No. 3 defending champ last weekend.

If both Pegula and Navarro emerge victorious, Saturday's US Open final would be the first contested by two US athletes since Sloane Stephens defeated Madison Keys for the 2017 title. It would also pit two New York locals against each other on their home Grand Slam court: Pegula hails from Buffalo, NY, while Navarro was born in NYC.

How to watch the 2024 US Open semifinals

Navarro and Sabalenka will kick off tonight's Grand Slam action at 7 PM ET, with Pegula's match against Muchová immediately following. Both semis will air on ESPN.

Madison Keys was just 16 when she featured in her first US Open, and the home Grand Slam holds a special place in the now-29-year-old's tennis star's heart.

"It's truly the best, greatest feeling in the entire world," Keys told JWS last week. "I think there have been some of my most heartbreaking moments in front of a US Open crowd, but also some of my absolute most favorite, literally to the point of mid-match getting goosebumps."

Ahead of today's 2024 US Open kickoff, Keys commented on the power of the New York Slam's fans, saying, "The thing I've always loved about playing at the US Open is that, literally no matter how down and out you felt, the entire crowd was still there trying to get you through and push you through."

Madison Keys celebrates winning a set at Wimbledon in July.
An injury forced Madison Keys to withdraw from Wimbledon mid-match in July. (ANDREJ ISAKOVIC/AFP via Getty Images)

A chaotic 2024 sets up Keys's US Open appearance

The world No. 14 has had a rollercoaster 2024 season, missing the Australian Open due to injury before making solid finishes at WTA events in Miami, Madrid, and Strasbourg.

The Illinois product then suffered an injury at Wimbledon, withdrawing in the Round of 16 while in a winning position against eventual finalist Jasmine Paolini. "As devastating as that match against Jasmine was, it was also one of my favorite matches that I've played," she explained. "Just because I feel like we were both playing so well."

Her veteran perspective allowed Keys to calmly view the injury for what it was: a simple setback. "[Wimbledon] was really reassuring that I didn't do anything wrong," Keys said. "It wasn't this big thing that we had to worry about or manage. It was just really horrible timing."

"I've started to change my perspective on success and goals," she added. "At the end of every day, being able to say, 'Okay, did I accomplish my goal? If not, what were the lessons learned? How can I move forward with them?' I think that's honestly the best way to go about success in tennis."

US tennis player Madison Keys smile and rests at practice before the Toronto Open earlier this month.
Managing her health and her schedule is proving vital to Madison Keys's goal of a long tennis career. (Robert Prange/Getty Images)

Prioritizing health is vital to Keys's tennis career

The 2016 Rio Olympic semifinalist pulled out of the 2024 Paris Games in an effort to maintain her wellness and gear up for the season's final Slam — a decision she says was hard-won.

"It’s one of the greatest honors to be able to play for your country and play at an Olympics, and it was honestly one of my favorite tennis moments of my life," she said. "But I'm getting older — I've been on tour for a long time. They like to call me a veteran now, and I think you have to start shifting gears a little bit to prioritize the best schedule... to be able to maintain a high level and stay healthy."

At this stage in her career, Keys notes that every little thing matters, like putting nutrition and rest first in the run-up to another US Open while also partnering with supplement companies to boost her conditioning along the way.

"It's a lot about the details — we're constantly putting our bodies under insane amounts of stress and traveling," she said. "Being able to, like, literally not get a cold, something as small as that. I've been lucky to be able to partner with Thorne — that has been my absolute go-to — because if I can do all of the things right, I'm setting myself up for success.

"The other thing is prioritizing recovery, making sure that I have my whey protein, getting a good night's sleep, and being able to recover — those things are so important. Most people would think, 'Oh, it's about time in the gym and on the court.' That's obviously really important, but it's all of the little details that create the full picture."

Recognizing that pacing her seasons and listening to her body will help protect her health and, ultimately, her career, Keys is clear on her path forward. "At this point in my career, my biggest goal is I want to play tennis for as long as I want to play tennis," she said. "I don't want some outside force to be the reason that I have to step away from the game."

The tennis season’s final Grand Slam gets underway today, when the US Open takes the hardcourt in Queens, New York. Topping last year’s record-setting prize pool by $10 million, this year’s $75 million purse means the singles champion will walk away with $3.6 million.

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Led by Gauff, US women chase history

With 21 US women in this year's draw — including five ranked in the WTA’s Top 15 — domestic fans are eyeing another trophy after world No. 3 Coco Gauff became the first US teen since 1999 to win the Slam last year. This time around, Gauff is hunting more history: If she repeats, she’ll become the first back-to-back US title-winner since Serena Williams’s 2012-14 three-peat.

That said, Gauff's recent early exits from Wimbledon, the Olympics, and last week’s Cincinnati Open have placed other stars in the US Open spotlight.

A US player has yet to feature in a Grand Slam final in 2024, and contenders like world No. 6 Jessica Pegula, No. 11 Danielle Collins, and No. 14 Madison Keys are all looking to right that ship.

World No. 1 Iga Świątek and No. 2 Aryna Sabalenka pose before their Italian Open final in May 2024.
World No. 1 Iga Świątek and No. 2 Aryna Sabalenka are two favorites entering the 2024 US Open. (Robert Prange/Getty Images)

Top stars aim to avoid more 2024 upsets

In a season rife with upsets — from No. 26 Leylah Annie Fernandez beating No. 4 Elena Rybakina in Cincinnati to No. 24 Donna Vekić ousting Gauff at the Olympics — this Slam is anyone’s to take.

After missing Wimbledon and the Olympics, reigning Australian Open champ No. 2 Aryna Sabalenka is this year's favorite after falling to Gauff in the 2023 final, though No. 1 Iga Świątek could pose a problem in Sabalenka's hunt. The Polish phenom already knows how to win this Slam, having taken the 2022 US Open trophy. If victorious again, the 23-year-old will have six major titles to her name.

Meanwhile, Kazakhstan's No. 4 Elena Rybakina will aim to break her US Open curse of falling by the Round of 32, but a season wracked with illness, early exits, and personnel trouble could set her off course.

The field could also see a fresh face like Buffalo product Pegula or China’s 2024 Olympic gold medalist No. 7 Qinwen Zheng lifting hardware at Arthur Ashe next month.

How to watch the US Open

The 2024 US Open's main draw kicks off today at 11 AM ET, with live coverage across ABC and ESPN networks.