Celtic loanee Mikey Johnston continues to shine at West Bromwich Albion despite previously being a bit-part player at Parkhead. Joining on deadline day, the Republic of Ireland international has been in mercurial form, registering seven goals and one assist in 14 Sky Bet Championship fixtures [Transfermarkt]. Impressing his teammates, the 24-year-old earned high praise from Baggies’ club captain Jed Wallace last month, who made a tongue-in-cheek dig at Celtic due to his lack of minutes at Parkhead, He stated live on talkSPORT: “To be honest, he has been unbelievable since he came in the door. …