Kyler Murray ain't going to have a cakewalk to the Arizona Cardinals' starting QB spot ... so says Brett Hundley, who tells TMZ Sports, "My No. 1 goal is to get that starting job."
"I don't play to be second," Hundley says.
Don't get it twisted ... Brett still respects the hell out of Kyler, saying the Heisman Trophy winner and No. 1 overall draft pick is an "unbelievable guy" and a "very good young man."
But, Brett -- who signed with the Cards this offseason after spending the 2018 season as Russell Wilson's backup in Seattle -- says he wants to be Kliff Kingsbury's No.