Diego Santiago Fagúndez Pepe (born February 14, 1995) is a Uruguayan professional footballer who plays as an attacking midfielder for Major League Soccer club LA Galaxy.

[9] In his debut season he led the Revs' U-16 squad to a 14–7–8 record (50 pts), placing first in the Northeast Division of the US Soccer Development Academy.

On March 10, 2011, Top Drawer Soccer named Fagúndez their number one ranked player nationally in the class of 2013.

He made his full professional debut on April 26, 2011, in a Revs' 3–2 victory over D.C. United in the Lamar Hunt US Open Cup.

[12][13] He made his league debut on August 6, 2011, as a substitute against Chivas USA, where he drew a penalty (which was converted by Shalrie Joseph) and scored his first goal for New England.

Fagúndez obtained a US green card in October 2013 qualifying him as a domestic player under MLS squad rules.

[24] On January 22, 2019, multiple sources reported that the Revolution turned down an offer from Club Nacional de Football for Fagúndez.

On his personal Instagram account, he posted a farewell statement to the Revolution and their fans stating that it was time for him to move on.

[32] In an interview with The Boston Globe's Frank Dell'Apa, Fagúndez stated that he wanted to remain with the team, but felt a low-ball offer was presented, and he declined to accept it.

[34] On April 24, 2021, Fagúndez made his first starting appearance for his new team, and scored the first goal in the franchise's history in its 3–1 win over the Colorado Rapids.

[41] He also had Austin's first ever goal in national competition play in a 2–1 loss to San Antonio FC of the 2022 U.S. Open Cup on April 20.

[45] After a difficult Austin start to the 2023 season, Fagundez received criticism from head coach Josh Wolff that he was not living up to his new contract.

[58] Diego's father, Washington Fagúndez, was a professional footballer in Uruguay who played as a goalkeeper with Central Español in the 1990s.

[59] Fagúndez received his U.S. green card in October 2013, which qualifies him as a domestic player for MLS roster purposes.