Pinal County Sheriff Mark Lamb has submitted his required voter signatures to run for U.S. Senate in Arizona.

The 51-year-old lawman faces former TV personality Kari Lake in the July 30 primary election.

A San Tan Valley Republican, Lamb said Tuesday he turned in more than 13,000 signatures, almost twice the 7,062 needed to get his name on the ballot. Lamb is free and clear to run for another office because it is the last year in his term as sheriff.

“I’m still putting in 40 hours or more at work, plus I’m still campaigning,” Lamb told InMaricopa on Tuesday.

Lamb said he looks forward to debating Lake and Rep. Ruben Gallego, whose running as a Democrat for Senate.

Sitting Sen. Kyrsten Sinema, who bolted from the Democratic Party to become an Independent, has said she will not seek a second term.

“I’m the most qualified candidate, especially with the issues we’re dealing with right now,” Lamb said.

The sheriff sees the border, the economy, crime and national security as the top issues facing the country. Consequently, he drives these points home at every campaign appearance he has made since April 2023.

“In the last years we not only have been to all 15 counties, but all over most the major cities in the state,” he said.