Martin Kostadinov

Martin Kostadinov (Мартин Костадинов; born 13 May 1996 ) is a Bulgarian professional footballer who plays as a left back for Fratria.

Career
In January 2014, Kostadinov was included in Cherno More's 25-man squad for their training camp in Turkey. Martin made his full first team début in a 4-0 away win against Lyubimets on 9 March 2014, playing as left back for 60 minutes. On 27 October 2015, he scored his first goal for the club in a 5–0 away win over Vihar Stroevo in the Bulgarian Cup. Kostadinov was used sparingly in the next two years following his début, but made significant progress during the 2016–17 season when he was named in the starting XI for 12 matches. Martin won the Man of the match award in the final two league fixtures, a 1–3 home defeat by Ludogorets Razgrad on 28 May 2017 and a 2–2 away draw against Levski Sofia on 31 May 2017, when he scored his first league goal.

Kostadinov started the 2017–18 season as first team regular, playing as left back. He won two consecutive Man of the match awards in the early rounds, a 1–0 home win over Dunav Ruse on 28 July, followed by a 1–1 away draw against Pirin Blagoevgrad on 4 August.

Kostadinov joined Arda Kardzhali in January 2020.

In August 2023 he moved to the newly promoted to Third League team Fratria.

International career
Martin was included in the Bulgaria U21 squad for the friendly against Macedonia U21 on 28 March 2017. He made his debut for the team, coming on as substitute for Georgi Yomov in the second half.