Miguel Arturo Layún Prado (born 25 June 1988) is a Mexican former professional footballer who played as a right-back.
Over the course of his 17-year career, Layún represented nine clubs across five countries. He is best remembered for his time at Club América, where he won three league titles. During his stint in Europe, he became the first Mexican footballer to play in Serie A. Later, he captured a Primeira Liga championship with Porto, and upon returning to Mexico, he added another league title with Monterrey.
An international since 2013, Layún represented Mexico at the 2014 and 2018 FIFA World Cups, the 2017 FIFA Confederations Cup, and two CONCACAF Gold Cups, winning the 2015 edition.
In 2006, Miguel Layún began his professional career with Gallos Caliente Tijuana, which was Queretaro reserve team in Primera "A". He debuted on a match against Monarcas Morelia Primera "A" on 5 October 2006.
After being transferred to C.D. Veracruz in his home state, Layún debuted in the Primera División during the Clausura 2007 tournament on 28 April against Necaxa. The match ended in a 1–1 draw.
He went on to stay with the club until 2009, with Veracruz ultimately being relegated to the second division. Layún managed to score his only goal with Veracruz in a 5–1 victory against Tampico Madero on 25 February 2009, scoring the fifth and final goal.
After his time with Veracruz, Layún had a successful trial with Italian club Atalanta, transferring for €625,000. The move made Layún the first Mexican to play in the Serie A.
He made his league debut on 27 September 2009 in a 1–1 draw against Chievo at the Stadio Marc'Antonio Bentegodi in Verona, coming on as a substitute in the 82nd minute of the match for Jaime Valdés, thus becoming the first Mexican to play an official match in Serie A. He made a second league appearance with the team against Cagliari on 1 November, again coming on as a substitute, replacing Nicola Madonna in the 66th minute of the match, which ended in a 3–0 defeat. Layún only managed two league appearances during the season.
On 21 December 2009, Layún was officially transferred to Club América for the Clausura 2010 tournament, becoming the club's second signing of the winter transfer window.
Layún scored his first goal for América on 2 May 2010 during the first-leg of the quarter-final match against Toluca, which ended in a 2–2 at the Estadio Azteca.
On 26 May 2013, Layún scored the final penalty in the shoot-out against Cruz Azul in the Clausura 2013 Final, winning the first league championship in his career. He came on as a substitute, replacing Diego Reyes in the first half of the match.
Prior to the Apertura 2014, Layún was named one of four players that would captain the club throughout the tournament. He captained the team for the first time on 2 August in a league match against Puebla, with América winning the match 4–0. On 26 September, Layún scored four goals in the 4–1 victory over Santos Laguna.
On 14 December 2014, Layún captained América to the league title following a 3–1 aggregate victory over Tigres UANL in the finals.
On 30 December 2014, it was announced that Layún had transferred to La Liga club Granada on a five-year deal; however, he was expected to go on loan for the remainder of the season to English Championship club Watford.
On 9 January 2015, it was announced that Layún had signed a permanent four-and-a-half-year deal with Watford, being handed the number 7 shirt. He made his Championship debut the following day in the 1–3 defeat to Huddersfield Town, playing all ninety minutes.
In his first season with the club, Layún played in 17 games, with Watford gaining promotion to the Premier League. On 8 August, Layún scored on his Premier League debut in a 2–2 draw against Everton at Goodison Park.
On 31 August 2015, it was announced that Layún would join Porto on a year-long loan deal with an option to buy for €6 million. On 12 September 2015, Layún made his official debut in a 3–1 win against FC Arouca, playing all 90 minutes. On 4 November, he scored his first goal for Porto in the team's 3–1 win over Maccabi Tel Aviv in the Champions League. Four days later, Layún scored his first league goal in Porto's 2–0 win over Vitória Setúbal.
On 28 May 2016, it was announced that Porto had signed Layún on a permanent deal, with the reported €6 million fee to be paid in two installments.