[citation needed] In 1991, Mosquera moved to CF Extremadura in Segunda División B, being a regular starter and achieving two promotions; in the latter one, to the first division, he scored a career-best 19 goals.
[citation needed] In January 1998, Mosquera returned to his former side Extremadura,[3] being an undisputed starter in the following seven-and-a-half seasons which the club achieved one promotion (to the first division in 1998) and subsequently suffered two relegations (in 1999 and 2002).
On 2 April 2007, while playing for Cerceda, Mosquera replaced Ramiro Sorbet at the helm of the first team,[4] and acted as a player-manager until the end of the season.
[12] Mosquera was sacked on 22 November 2020 due to poor results,[13] but was again appointed manager the following 5 January after a change in the club's internal structure.
[14] On 5 April 2022, after the club was officially expelled from the league, he left[15] and took over fellow Primera División RFEF side CF Talavera de la Reina three days later.