Clayton Donaldson is still under contract with Bradford City and at his former team's request, he cannot be named in York City matchday squads.
— York City FC (@YorkCityFC) July 18, 2021
For this reason, he will be known until August 1 as THE 'Don Trialist'.#YCFC 🔴🔵 pic.twitter.com/vBTYD6m2Ts