#4 Roberto Martínez
The young Spanish manager was lauded by English fans for the attacking football his team played during his time. His notable achievement in his club career as winning FA Cup with Wigan with a 1-0 win against Manchester City. During his tenure in Swansea, he had received a lot of offers from English, Spanish and Scotish club but he remained committed to the Wellish club until Wigan came knocking at Swansea's doors.
Roberto Martínez who lead an unbeaten qualification tournament to the 2018 World Cup and is likely to continue the form in the World Cup also. Many English and Spanish clubs whose managerial post is vacant are interested in the 44 year old Spaniard and Roberto Martínez ill definitely get few offers after the world cup and we will have to see if Martinez remains as Belgium Coach for long.