- The Senate Leadership Fund, which is linked to Sen. Mitch McConnell, has canceled ad buys worth nearly $8M in Arizona.
- Blake Masters, who is backed by President Trump, is locked in a relatively tight race with Democrat Sen. Mark Kelly, who leads in most polls.
- The SLF effectively canceled about half of its investment in the Masters-Kelly race. Money already committed will pay for ads scheduled to start in early October.
