According to Carl Halls twitter feed there is still one more friendly to announce. A "big en".
@hallyboy03: @Doncaster_RLFC pre season games 2015 @keepmoatstadium 11th Jan Hull, 18th Jan ?, 25th Jan Hunslet & 1st Feb Leeds #doncasterisgreat #COYD
4 friendlies all at home! Greta stuff