Muñiz retired at the end of the 2001–02 campaign at the age of 33, as the team from Soria could only finish in 17th position in Segunda División. In 11 years as a professional, he appeared in 332 games and scored ten times (234 matches and six goals in the top flight).
Coaching career
Muñiz started as an assistant manager at Málaga in 2003, under Juande Ramos. His first head coach experience arrived in early 2006 with lowly UD Marbella, and he subsequently returned to Málaga as the main manager for two seasons, achieving a runner-up place in 2008 and thus promoting the Andalusians to the top tier after a two-year hiatus.[2]
In July 2008, Muñiz switched to fellow league team Racing de Santander. At the season's end, he was released from contract[3] and promptly returned to Málaga, replacing Antonio Tapia who took over relegated neighbours Real Betis.[4]
Muñiz was appointed AD Alcorcón manager on 8 June 2015, after four years in Ukraine.[6] Roughly one year later, he signed with fellow division two club Levante UD,[7] achieving promotion at the first attempt as champions.[8]
On 20 June 2018, Muñiz returned to Málaga for a third spell after agreeing to a two-year contract.[9] He was dismissed the following 14 April, following a 1–2 home loss against Extremadura UD.[10]
On 5 July 2020, after more than a year without a club, Muñiz took charge of Deportivo Alavés in the top division until the end of the campaign.[11]