Rising through the ranks in West Lothian, Crosbie's talent caught the eye of Currie in Edinburgh, where he seized an opportunity to further hone his skills.

His dedication and talent earned him spots on the Scotland under-20 and under-18 teams, culminating in a standout performance at the World Rugby U20 Championship in Georgia.

Despite a loss to New Zealand, Crosbie's team secured victories against formidable opponents like Ireland, Italy, and Australia, showcasing his potential on the international stage.

[2] He made his debut for Edinburgh off the bench against the Italian outfit Zebre coming on for Cornell du Preez in 64th minute.

In 2023 Crosbie was selected in Scotland's 33 player squad for the 2023 Rugby World Cup in France.