Vincent Kompany, head coach of German club Bayern Munich, and Francesco Farioli, head coach of Portuguese club Porto, are the only specialists to have completed the first half of the season unbeaten in their national championships.
Idman.Biz reports that Bayern, under Kompany's leadership, has gone 15 games unbeaten in the Bundesliga, while Porto, coached by Farioli, has not seen defeat in 16 games in the Portuguese championship.
Porto is in first place in the standings after 16 rounds with 46 points, five points ahead of second-placed Sporting.
Bayern is the leader in the Bundesliga with 41 points after 15 rounds, nine points ahead of Borussia Dortmund in second place.