In 2020, Freeborn played for Lightning in the Rachael Heyhoe Flint Trophy. She scored 167 runs at an average of 33.40 in five matches, with a top score of 40 in a victory over Central Sparks. In December 2020, it was announced that Freeborn was one of the 41 female cricketers that had signed a full-time domestic contract. In 2021, she scored 105 runs at an average of 15.00 in the Rachael Heyhoe Flint Trophy, as well as being ever-present for the Trent Rockets in The Hundred. Her best performances came in the Charlotte Edwards Cup, where she was Lightning's leading run-scorer, with 161 runs. She made her Twenty20 high score of 61 in a match against South East Stars, as well as becoming the first wicketkeeper in the tournament to make four dismissals in an innings, all stumpings, in the same match. At the end of the season it was announced that Freeborn had moved to Central Sparks, and signed a professional contract with her new side. She scored 163 runs in the 2022 Charlotte Edwards Cup, including 52 made against Western Storm. She was also Central Sparks' leading run-scorer in the 2022 Rachael Heyhoe Flint Trophy, with 227 at an average of 45.40. She made her List A high score against North West Thunder, scoring 72 from 72 deliveries. She also played seven matches for Trent Rockets in The Hundred, and scored 45* in her side's victory over Manchester Originals.
