Karol Mets  Karol Mets (; born 16 May 1993) is an Estonian professional footballer who plays for Swedish club AIK and the Estonia national team. Mainly a centre back, he can also play as a defensive midfielder. Mets came through the Tulevik youth system, and played for the club's reserve sides Tulevik II and Warrior. In November 2010, Mets was included in Flora's first team squad for pre-season training. He made his debut for the club on 1 March 2011, against Levadia in the Estonian Supercup match. Flora won 5–3 on penalties. Mets made his debut in the Meistriliiga on 2 April 2011, in a 1–0 away victory over Kuressaare. He soon established himself as Flora's first choice centre back alongside Karl Palatu. Mets helped Flora win the Meistriliiga title in 2011. On 5 December 2014, Mets signed a three-year contract with Norwegian club Viking. He made his debut in the Tippeligaen on 6 April 2015, in a 1–0 away loss to Mjøndalen. On 31 July 2017, Mets joined Eredivisie club NAC Breda on a three-year deal for an undisclosed fee, rumored to be around €100,000. He made his debut in the Eredivisie in a 1–4 away loss to Vitesse on 12 August 2017, when he came on as a half-time substitute for Arno Verschueren. Mets scored his first goal for NAC Breda on 20 September 2017, in a 3–4 loss to Achilles '29 in the first round of the KNVB Cup. On 14 March 2019, Mets signed a three-year contract with Swedish champions AIK for a fee of €300,000. He made his debut in the Allsvenskan on 31 March 2019, in a 0–0 home draw against Östersund. Mets has represented Estonia at under-17, under-18, under-19 and under-21 levels. He was named in the Estonia under-19 squad for the 2012 UEFA European Under-19 Championship in Estonia. Mets played in every group stage match, but failed to help the team progress to the semi-finals as Estonia lost all three games against Portugal, Greece and Spain. Mets made his senior international debut for Estonia on 19 November 2013, in a 3–0 away victory over Liechtenstein in a friendly.