Former Arizona State University quarterback Andrew Walter filed a statement of candidacy last week to challenge freshman Rep. Kyrsten Sinema, D-Ariz.

The Arizona Capitol Times first posted the news on Monday that Walter had formed a campaign committee. He is a credit analyst at MidFirst Bank and an owner at an eponymous LLC, according to his LinkedIn profile.

that already includes retired Air Force Lt. Col. Wendy Rogers

(See also in Roll Call:
Farm Team: Arizona Raises Drama, Candidates
)

Arizona’s 9th District is one of the most competitive in the country; the Democratic Congressional Campaign Committee added Sinema to its Frontline program for vulnerable incumbents last month.