Mikey Johnston’s loan from Celtic to West Bromwich Albion couldn’t be going any better than it is. Not only has he established himself as a first-team regular under Carlos Corberan but he has been in excellent form, helping the Baggies in their push for promotion to the English Premier League. Johnston has scored seven goals in 14 appearances since making a temporary switch in January, earning plaudits from supporters, pundits, his fellow teammates and manager. Not only that but it was announced this week that he has won the English Championship Player of the Month award for March. Questions a…