Reese is the 35-year-old granddaughter of Arthur Remington and the newly minted owner of the Windy City Warriors. Highly educated and familiar with the organization, she handles intense institutional sexism as the first female owner in the MLB. She is independent, fiercely protective of her business, and works to balance her compassionate nature with the ruthless decisions required to fix the team's budget.

Emmett is a former MLB All-Star and the current field manager for the Windy City Warriors. Now in his mid-forties, he possesses an intimidating physical presence but harbors a deeply caring nature. He retired from playing early to raise his adopted daughter, Miller, as a single father and treats his baseball team as an extended family.

Scott is an entitled member of the team's advisory board who previously controlled baseball operations under Arthur. He deeply resents Reese for reclaiming this role. He constantly attempts to assert power using patronizing behavior and sexist tactics.

Miller is Emmett's adopted daughter and the biological daughter of his late partner, Claire. She works as a talented pastry chef and owns a local patisserie. She deeply appreciates the sacrifices Emmett made to raise her and actively encourages him to start prioritizing his own happiness.

Kai, nicknamed Ace, is a former star pitcher for the Windy City Warriors who recently retired to focus on his family. He now serves as the team's pitching coach. He forms a crucial part of Emmett's trusted inner circle.

Arthur is the former owner of the Windy City Warriors and Reese's grandfather. He assembled the current advisory board and ran the team with a somewhat messy budget. He believes deeply in Reese's capabilities.

Harrison is an expensive, arrogant outfielder acquired by Arthur late in the previous season. He does not mesh well with his teammates and openly holds sexist views about playing for a female owner.

Ed is a member of the advisory board and one of Arthur's closest friends. Unlike his peers, he is Reese's only avid supporter on the board, consistently voting in her favor.

Phil is a member of the Windy City Warriors' advisory board. He remains perpetually unimpressed with Reese, often looking at her with condescension during meetings.

Isaiah is a current player for the Windy City Warriors and Kai's brother. He is part of Emmett's close-knit chosen family and maintains a strong marriage after an impulsive Las Vegas wedding.

Kennedy is the newly promoted team doctor for the Windy City Warriors. She is the first female team doctor in the league and forms part of Emmett's supportive extended family.

Max is Kai's three-year-old son. He is deeply loved by his father, his future stepmother Miller, and Emmett, who frequently watches over him in the dugout.

Jeremy is Reese's ex-husband and the newest assistant to the MLB commissioner. During their marriage, he manipulated Reese, belittled her capabilities, and attempted to claim half-ownership of the franchise.

Milo is a talented but inexperienced center-fielder from New Mexico. He currently plays in the minor leagues, where Reese scouts him for a potential call-up.

Claire is Emmett's late partner and Miller's biological mother. She passed away from cancer over two decades ago when Emmett was twenty-five.

Michael is the son of advisory board member Ed. He goes on a brief, mostly platonic date with Reese after her grandfather suggests the match.

Kelly is a female sports reporter who covers the Windy City Warriors. She openly flirts with Emmett during press conferences, causing professional friction.

Nate is a video coach who recently moved to Chicago with his pregnant wife. Due to severe budget cuts, he becomes the center of Reese and Emmett's first major conflict.