On 24 January 2020, Terzaghi moved to the United States, signing with USL League One side Richmond Kickers.[2] Terzaghi led the league in goals and was recognized as the 2020 USL League One MVP in his first season with Richmond.
On December 1, 2020, Terzaghi signed a contract extension keeping him in Richmond for the 2021 and 2022 seasons.[3]
2021
Terzaghi once again led the league in goals with 18. On November 20, 2021, he was awarded a second consecutive USL League One MVP award for the 2021 season.[4]
2022
For the third season in a row, Terzaghi led the league in goals with 17, helping the Kickers finish first in the regular season table. On November 4, 2022, he was awarded an unprecedented third consecutive USL League One MVP award for the 2022 season.[5] On November 18, 2022, Richmond Kickers announced they re-signed Terzaghi to a multi-year deal.[6]