Playing for Keeps by Jennifer Dugan (f/f YA)

The Prospects by KT Hoffman (m/m)

Unwritten Rules by KD Casey (m/m series)

Heart of the Game by Rachel Spangler (f/f)

You Should Be So Lucky by Cat Sebastian (m/m Histrom)

Bonus: These are all prose novels, but for a graphic novel series, check out Grand Slam Romance by Ollie Hicks and Emma Oosterhouse (f/f))