The Ace and the Assistant by Jiffy Kate

He’s the recently divorced veteran player and she’s the teammate’s “little sister” who comes to his rescue.
Ross Davies, ace pitcher for the New Orleans Revelers, needs help putting his life back in order before he throws away everything he’s worked so hard for.
Casey Carradine has a knack for managing people’s lives. When she agrees to step up to the plate and help Ross dig his way out of the debris of his failed marriage, it shouldn’t be a hard task. After all, she’s run her rockstar sister’s life for years.
But things get heated and lines get crossed.
And neither of them expect the curveball that’s thrown their way.