Fergie's Fledglings were a group of football players recruited by Manchester United under the management of Sir Alex Ferguson (often nicknamed "Fergie") and trained by assistant coaches Brian Kidd and Eric Harrison, before eventually progressing to the first team during the 1990s.
Mikel Arteta Amatriain (born 26 March 1982) is a retired Spanish professional footballer who played as a midfielder.
 He is currently the co-assistant coach of Manchester City, alongside fellow co-assistant Brian Kidd, Domènec Torrent and manager Pep Guardiola.
José María García Lafuente (born 10 February 1971), commonly known as José Mari, is a retired Spanish professional footballer who played as a midfielder.
Enrique 'Kiko' Torres Martín (born 28 October 1975 in Madrid) is a retired Spanish professional footballer who played as a midfielder.
Juan Cutillas España is a retired Spanish professional footballer and manager.
 He is a former manager of the Philippines national football team.
José Ángel Rojo Arroitia (born 19 March 1948) is a retired Spanish professional footballer who played as a midfielder.
Sergio Pelegrín López (born 18 April 1979) is a retired Spanish professional footballer who played as a central defender.
Miguel Ángel "Míchel" Salgado Fernández (born 22 October 1975) is a retired Spanish professional footballer who played as a right back.
Brian Kidd (born 29 May 1949) is an English football coach and former player, who is currently the co-assistant coach of Manchester City, alongside fellow co-assistants Mikel Arteta and Domènec Torrent, and manager Pep Guardiola.
Sebastián Cruzado Fernández (born 28 February 1965), known as Chano, is a retired Spanish professional footballer who played mainly as an attacking midfielder.

Question:  What other person besides retired Spanish professional footballer co-assistant coaches Manchester City with Brian Kidd?
Answer: Domènec Torrent