In the summer of 2014, he joined the San Jose Earthquakes' U23 Premier Development League squad, helping lead his side to a 7–4–3 record and a third-place finish in the Western Conference in its inaugural season.

[6] On May 12, 2016, Puerto Rico FC announced that Martin del Campo will join the club for this upcoming season on loan from Deportivo Saprissa.

[7] On January 10, 2017, Martin del Campo signed with United Soccer League side Ottawa Fury.

[8] On January 24, 2018, Martin del Campo signed with United Soccer League side Fresno FC for the 2018 season.

[11] On January 7, 2021, USL Championship side Miami FC announced it had signed del Campo.