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In addition to the earlier announced trip to Austria, Celtic have announced a trip to the Czech Republic, with a game against Czech champions Slavia Prague confirmed for the 4th of July. This will be a good test ahead of the Champions League qualifying campaign, which is set to begin on the 11th/12th of July.
In other news, Kieran Tierney has revealed that he has phoned Patrick Roberts 'every other day' in an attempt to encourage him to return to Celtic, let's hope that his attempts succeed.