Sen. Steve Daines (R-MT), the chairman of the National Republican Senatorial Committee, is staying out of the Ohio Republican Senate primary next year, despite taking a more aggressive approach to 2024.

Daines said the committee, which is the campaign arm of Republicans in the Senate, would stay out of the Ohio primaries because all three candidates can flip the seat from incumbent Sen. Sherrod Brown (D-OH).

TYRANNY OF THE MAJORITY, OR THE MINORITY OF ONE

"When you have three candidates, [where] anyone could win the general election, we don't stay up late at night worrying about that," Daines told CBS News.

Key candidates in the Ohio race include businessman Bernie Moreno, state Sen. Matt Dolan, and Ohio Secretary of State Frank LaRose. LaRose has not entered the race, but many, including Daines, believe that he will. Moreno has been endorsed by freshman Sen. J.D. Vance (R-OH).

The NSRC under Daines has endorsed four candidates so far in key Senate races: Gov. Jim Justice (R-WV), Rep. Jim Banks (R-IN), Tim Sheehy in Montana, and Sam Brown in Nevada. The endorsements have come at the costs of Rep. Alex Mooney (R-WV), possible candidate Rep. Matt Rosendale (R-MT), and Jim Marchant in Nevada. Rosendale is reportedly looking at running in Montana, but Republican leadership fear he would lose the general in November.

The committee has not endorsed anyone in the Michigan and Wisconsin races so far, and attempts to recruit Rep. Mike Gallagher (R-WI) failed when he announced he intends to run for reelection.

The move of endorsing candidates in the primary stages is a 180 from former chairman Sen. Rick Scott's (R-FL) approach, which kept the committee out of all Senate primaries.

The endorsements come as Democrats, who control the Senate, seek to defend 23 seats in the 2024 election. Republicans only need to defend 11 seats. Included in the Democrats' defense are Sens. Bernie Sanders (I-VT), Kyrsten Sinema (I-AZ), and Angus King (I-ME), who typically still side with the Democratic Party. However, Sinema has been known to separate from her liberal counterparts on key legislation.

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The Arizona senator has not announced a bid to keep her seat next year but is expected to run as an independent, causing a possible three-way race. Former Republican gubernatorial hopeful Kari Lake and Rep. Ruben Gallego (D-AZ) are expected to present the other legs of the contest.

Lake has not entered the Republican race but met with Daines about a bid recently. Daines has not backed any candidate in Arizona yet.