I can't see Joyce doing anything against a guy twice as fast AND taller with longer reach. Fury has a 5" reach advantage.
Not in a million years. Easy nights work for Fury as he is far more skilled and throws from awkward angles.
Is Joyce born from his mother? Joyce is a common gypsy family name, pretty sure it would bring out a tribal fire in Fury that would be scary. To lose to a man named Joyce would be the biggest dishonour for a Fury. You'd have to exile yourself.
Joyce has experience as a former sparring partner of Fury's, which could help a little, but I see Joyce walking into a lot leather against Fury.