He was part of the Sounders academy system as a youth player and played college soccer for the Notre Dame Fighting Irish and Georgetown Hoyas.

In his U18 season, he joined the Sounders Academy, helping the squad to a third-place finish in the USSDA National Playoffs.

[2] Rothrock attended Lakeside School in Seattle, where he was a two-time all-state player and tallied 43 career assists.

[4] On February 2, 2017, it was announced that Rothrock signed a letter of intent to play college soccer at the University of Notre Dame.

[9] He made his debut for USL club Seattle Sounders FC 2 on July 8, 2017, and scored his first goal in a 4–1 defeat to Real Monarchs.

[10] During his 2019 collegiate season, Rothrock played with National Premier Soccer League side OSA Seattle FC, making 3 appearances.

[24] On April 26, 2023, he joined the first team, Seattle Sounders FC, on a short-term loan for their U.S. Open Cup match,[25] scoring on his club debut.