Cove Rangers boss Paul Hartley admits it will be difficult to find a replacement goalkeeper for the injured Ryan Mullen.
Cove Rangers have announced loan goalkeeper Ryan Mullen has returned to parent club Celtic after picking up an injury.
Ryan Mullen puts injury nightmare to bed and Cove Rangers loanee looks for game-time after switch from Celtic
New Cove Rangers signing Ryan Mullen was relieved to put more than six months of injury hell to bed after making his bow in senior men's football.
Cove Rangers have signed Celtic goalkeeper Ryan Mullen on a season-long loan deal.