Both Carden and Fields played baseball before when they were kids. Carden said that one thing she realized about playing sports as a kid was that you learn how to play based on whatever dad is the coach, who would tell you how to swing based on what he thinks is right. As an adult, she learned that it’s incorrect and doesn’t look professional. However, the coaches that they hired for the show were very supportive.

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When speaking about Jo and Greta’s friendship, Carden said that for something so deep and almost family-like, it’s hard for two actors who have never met each other before to fake. Luckily, she and Field formed an instant bond, falling in love with each other at first sight. Carden said that very easy to play the friendship. There was never forced chemistry between them. It was so natural.

“[They] wanted us to win and wanted us to look right. We got to train together for months leading up to the pilot and then again leading up to the actual show. So, the cast really bonded. The team really bonded before we even got to act together. It was sort of remarkable,” said Carden.

More on the Relationship Between the Characters

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Then Greta meets Carson Shaw (Abbi Jacobson), and suddenly the rules matter less, and everything gets wonky. With a lot of help from Jo, Greta starts having some ups and downs with her relationship with the rules. Carden thinks Greta’s willingness to deviate from her rules highlights her love for Carson.

“Well, I think we found our characters greatly in the context of this friendship and how they relate to each other. That’s where we got a lot of information, and later in how they start to break apart. I think you’re right. The friendship that we formed beforehand, during, the chemistry made our jobs really easy,” said Field.

“Greta and Jo together have created this set of rules. Greta and Jo have really lived life. They’ve lived all over the world, they’ve been on adventures, they’ve had highs and lows, they’ve had successes and failures, and they have learned what works for them — and it frickin’ works for them. So, it’s like you don’t deviate from these rules that we’ve created for ourselves,” said Carden.

Unfortunately, that does put some pressure and tension on their pre-existing bond, according to Field. However, while she doesn’t know what will happen in the future, she has a very strong feeling that they will be forever friends. Right now, there just navigating this transitional time in their lives.

“They come into the team as a pre-existing team. Even in filming, they’d be standing next to each other, they’re always hanging on each other, and they’re super tight. As time goes on, Jo, specifically, is really stepping into her own identity sans Greta, and I think that’s very exciting for her. It’s also a little bit scary for her. It’s definitely scary for Greta. Jo is definitely Greta’s security blanket, so being in this environment where Jo can be really good and really good at what she does and get this limelight on her for once, she kind of takes that and wants to run with it,” said Field.