"Game of Thrones" creator George R.R. Martin is UNLOADING on the New York Giants ... blasting the team for taking relatively unknown Duke QB Daniel Jones.
Martin -- the brain behind GoT -- happens to be a HUGE fan of the New York football teams ... and like so many other G-Men fans, he's distraught over this weekends draft.
"Daniel Jones from Duke at number six?" Martin wrote on his website ... "Yes, they need a young quarterback to groom as Eli’s successor. But Dwayne Haskins was right there. Why not him?