[3] Delgado grew up playing in the Pomona United Youth Soccer League and when he was 14, switched to the Cosmos West Academy.

[6] Delgado made his professional debut on October 4, 2012, during a 4–0 defeat to Vancouver Whitecaps FC, coming on as a 73rd-minute substitute.

[7] After the folding of Chivas USA in November 2014, Delgado was selected by Toronto FC in the 2014 MLS Dispersal Draft.

[9] On July 12, 2015, he scored his first goal for Toronto in a 4–4 draw against New York City FC at Yankee Stadium.

He started the match and helped win the decisive penalty, which was converted by Bobby Wood; he came off in the 86th minute for fellow senior team debutant Timothy Weah.