Boston born, Hong Kong raised fullback/fly-half Sam walsh played in Major League Rugby between 2024-2025. He represented Rugby FC LA (2024), and the Chicago Hounds (2025).

Born in Massachusetts, Walsh and his family moved to Hong Kong when he was an infant. He attended King George V School there before attending Scots College in New Zealand, where he played rugby both for the school and for Clearwater Bay. Walsh attended UC-Berkeley between 2018-2022, playing rugby with the California Golden Bears. Upon his graduation, Walsh joined the USA Men’s 7s program and earned his World Sevens Series debut in Hong Kong in November 2022, alongside Hounds teammate Noah Brown.

In December 2023, Sam Walsh signed with Rugby FC LA ahead of their inaugural MLR season in 2024. He earned 8 appearances and 2 starts for RFCLA in his debut season, recording 135m gained. Following the 2024 season, Walsh played with the Chicago Hounds academy that fall and clearly impressed, as on December 11th, 2024, the Chicago Hounds announced the signing of Sam Walsh for the 2025 MLR season.