That is fully justified on his raising the club from close to the bottom of the league to ninth place on the fringes of the play off places.
The sharp turnaround at The Hawthorns began with three straight wins prior to the World Cup break.
After returning with a win over Sunderland, Albion went on to win four out of their five games in December, without conceding a goal from open play.
That sounds far more than a honeymoon period – more a planned post mortem into the situation and action to ensure a serious change of fortunes.
Wins over the Black Cats, Rotherham, Preston and Bristol City helped the Baggies earn 12 points throughout the month.
It has reportedly led the Hammers to seeing him as a possible candidate should things continue to slide at the club although it needs to be said the board are desperate for Moyes to bring a turnaround .
In the meantime Corberan has been nominated alongside Sheffield United’s Paul Heckingbottom, former Albion manager and Sunderland chief Tony Mowbray and Burnley’s Vincent Kompany.