The former coach of Bulgaria's national football team Yasen Petrov was officially introduced as the coach of the Chinese team Qingdao Hainiu. The team plays in the Chinese Super League, finishing 13th in the standings last campaign...
Coaches in the Bulgarian championship stay in office for an average of 222 days, according to a report by the International Centре for Sports Studies (CIES Football Observatory). The analysis for the 2019-2020 season includes 110 championships in 79..
