Popov has managed 10 different teams in 8 different countries, including 2 national teams. His management style emphasizes an aggressive, high-intensity approach. Popov has worked in the Bulgarian Premier League in 2007–2010, Denmark Series in 2011, Moldova Premier League in 2011–2012, Maldives Premier League in 2013, Thailand Premier League in 2014 and 2017, Malaysian Super League in 2016, Oman Premier League in 2013–2014 and 2018, and Vietnam League 1 in 2022–2024, and also has managed 2 national teams – Maldives in 2015 and Myanmar Olympic in 2019–2022. In 2013 Popov became the first Bulgarian coach to win a treble abroad with a 100 percent winning record, reaching the quarter-finals in AFC Cup. In 2019, Popov's Myanmar won the group stage and the bronze medal at the South East Asian Games. In 2023, Popov led Thanh Hoa FC to the Vietnamese National Cup and Vietnamese Super Cup for the first time in club history. In 2024 Thanh Hoa FC and Popov won again back to back Vietnam National Cup for the second consecutive year becoming the most successful team in the history of the club with three trophies in two seasons. Popov has coached for over 24 years in Europe, Asia and the Middle East.
In October 2010, Popov moved to Danish side Liberika Horsens, which was promoted in 2011. For the 2011–2012 season, Popov managed Moldovan FC Costuleni in the Premier League Moldova.[2]
In the Asian AFC Cup, New Radiant achieved notable results. The team won 7–0 against Indonesian team Persib.[citation needed] New Radiant finished on the top of the group stage with 20 goals scored and 4 conceded in 6 games. The club won the group with 15 points in 6 games and qualified for the quarterfinals, where they beat Selangor from Malaysia 2–0 after extra time. Popov received the 2013 Maldives Haveeru Awards - Best Coach of the year award and The Special Excellence Award of New Radiant SC.[3]
Sur Sport Club
On 7 October 2013, Popov moved to Omani club Sur Sports Club, signing a one-year contract until the end of the 2013/14 season.[citation needed] Popov's debut match in the Omani League was against local rivals Al-Oruba, which Sur won 3–0.[citation needed] In 3 months, Sur Club moved from 10th to 3rd position in the standings.[4]
For the 2014 season, Popov became the manager of Suphanburi F.C. of the Thai Premier League. The team finished 6th out of 20 teams in the final league table and reached the semi-final of the FA Cup for the first time.
Maldives national football team
In January 2015, Popov became the manager of Maldives national team, announced before the kick off of POMIS Cup Final. This was his first role managing a national team.
In the World Cup qualifiers against Qatar, Qatar scored the only goal of the match in added time. In the Indian Ocean Islands Games, Maldives won their first match in this competition after 3 participations, beating Seychelles 2–1.[citation needed] On 12 August 2015, Popov resigned as the Maldives national football team coach.[5]
Kelantan FA
On 12 May 2016, Kelantan FA appointed Popov as the manager of their Super League team until the end of the 2016 season.[citation needed] At the time of his appointment, Kelantan was in sixth place in the Super League standings with 12 points. Popov's debut as Kelantan head coach was against Selangor on 18 May in Shah Alam stadium. The match ended in a 0–0 draw.[citation needed] On 15 July, Kelantan won an away match against Terengganu 6–1.[citation needed] Under Popov's management, Kelantan qualified for that year's Malaysia Cup quarter-finals after three wins and one draw in their first four group stage matches.
On 27 September 2016, Kelantan FA (KAFA) chairman Tan Sri Annuar Musa announced that Popov had been offered a contract extension for the 2017 season.[6] On 23 October 2016, KAFA chairman Annuar Musa announced that Popov had declined the contract extension for the 2017 season.[citation needed] Popov cited personal reasons for his decision.[citation needed] During Popov's tenure, Kelantan won eight, drew six, and lost five matches in all competitions. The team finished fourth in the league.[7]
In March 2017, Popov became the manager of Sisaket FC in the Thai Premier League. At the time of his appointment, Sisaket FC had won one match and lost five, with a total of three points. By the end of the first half of the season, Sisaket had won 15 points and moved out of the relegation zone. Popov resigned from Sisaket FC in August 2017.
In 2018, Popov became the head coach of Sur Sport Club in Oman, which had recently returned to the Oman Professional Premier League. Under his management, Sur SC moved from the 10th to 3rd position in the standings.
Myanmar U-23 National Team
In January 2019, Popov was appointed as head coach of the Myanmar National Football Olympic Team U-23 for the 2019 AFC Olympic Qualifiers, AFF Championship in Cambodia and SEA Games in Philippines.
In the AFC qualifiers, Myanmar beat Timor Leste 7–0. The team entered the semifinals in the 2019 SEA Games after winning against the host Philippines 2–1, Timor Leste 3–1, Cambodia 2–1 and drawing with Malaysia 1–1. Myanmar claimed the men's football bronze medal at SEA Games 2019 after beating Cambodia 5–4 on penalties following a 2–2 draw at the Rizal Memorial Stadium in the 3rd place match.[8][9] In December 2020, the Myanmar Football Federation proposed a new contract to Popov.[10]
The agreement of his contract extension was reached till the end of the 2021 SEA Games.[11][12]
Dong A Thanh Hoa
On 1 December 2022, after four years as head coach of the Myanmar Olympic national team, Popov became the head coach of Dong A Thanh Hoa in Vietnam League 1. Under Popov's leadership, the team had a strong start to the league with 6 wins and 4 draws in the first 10 games. This performance led the team to the top of the table in 5 rounds in a row and achieved the club's main target of entering the top 8 three games before the end of the regular season.
Popov's coaching style emphasized aggressive attacking and high pressing, which led to a change in the team's playstyle. His coaching was recognized by Vietnam League 1 coaches and team captains, who elected him as the best coach of the month of April and also 5 times in the first 15 games as the best coach of the week during the 2023 season.
Under Popov's guidance, the team won the National Cup of Vietnam and the Vietnamese Super Cup in 2023, marking the first time the club had won two trophies in one year.[citation needed] The team also finished the 2023 season in the top 4 and was the only team that remained undefeated in away games during the whole season.
Popov's training methods were initially challenging for the Thanh Hoa team. However, his specific exercises helped transform the team's performance. Despite losing nearly half of the squad and two key players, Bruno Cunha and Paulo Conrado, for the 2023–2024 season, Popov led Thanh Hoa club to a strong performance in the first half of the new season, reaching once again the semifinal of Vietnamese National Cup.
In 2024 Thanh Hoa FC and Popov won the Vietnam National Cup for the second consecutive year, becoming the most successful team in the history of the club with 3 trophies from 5 possible competitions in 2 seasons.[13][14][15]