Arizona GOP Senate primary candidate Blake Masters was a distant third in polling back in March, but the latest Public Policy Polling results now have Masters as a huge favorite.
Masters (29%) has more than doubled his 13% March support and is nearly doubling up his next closest challenger, Arizona Attorney General Mark Brnovich (15%), former President Donald Trump target.
"This represents quite a shift in the field compared to March," the PPP analysis read. "Masters was in 3rd then with 13%, while Brnovich and Lamon were essentially tied for the lead then at 24% and 22% respectively. Since then they've seen their support drop by 9-12 points while Masters has nearly doubled his.
"The ascendancy of Masters once again shows the Trump effect in a Republican Senate primary."
Trump hailed Masters' lead and that statement Thursday in a Truth Social post.
PPP noted the Trump endorsement made 53% of GOP voters say they were more likely to vote for Masters in the primary, while just 20% less likely.
Trump was viewed favorably by 75% of likely GOP primary voters in the poll, compared to just 18% viewing him as unfavorable. Masters is picked by 35% of those who view Trump favorably, compared to his main opponents at just 11-12% in the poll.
Masters is plus-18 points in his favorability (38% favorable, 20% unfavorable), while Brnovich is just plus-4 points (28%/24% and Lamon is net minus-3 points unfavorable (21%/24%).
Public Policy Polling surveyed 595 likely GOP primary voters in Arizona. No margin of error was given in the poll release.