"We've got great grassroots support, and this is just an indication of it," he enthused.
He then borrowed a line from Muhammad Ali, circa 50 years ago, the first time Ali whipped Sonny Liston, while Ali was still known as Cassius Clay.
"We're going to shake up the world," he promised, a la Clay.
Indeed, Brnovich's 14,500-plus number was a little more than two and a-half times the amount of valid signatures needed to earn a spot on the ballot.
For what it's worth, his numbers blew Horne's away.
According to the Secretary of State, Horne recently submitted 7,819 signatures, a paltry figure for a statewide, incumbent office-holder.
The minimum number required for the Republican primary in a statewide race is 5,651.
But pols like to pad their numbers, because a lot of signatures are sure to be thrown out, and for bragging rights.
Democrat Felecia Rotellini, whom Horne bested in 2010 by a mere 60,000 votes, submitted 13,444 signatures on May 19, according to the SOS.
She needed 4,804, meaning she turned in a lot more than two and a-half times the minimum.
Asked later that day for a comment on Brnovich's filing, Rotellini's campaign manager Luis Heredia dissed Brnovich's achievement as mere AstroTurf.
"Brnovich hired paid circulators to inflate his weak position in this campaign," Heredia stated via e-mail. "We filed 13,500 signatures last Monday, ten days before the deadline, to focus on fundraising and grassroots organizing. We filed more petitions today in a supplemental filing."