Mike Mazzei, a former state senator who lent more than $11 million of his own money to his campaign, narrowly defeated the state’s attorney general, Gentner Drummond.
President Trump went all in for Senator Darline Graham in a primary runoff on Tuesday. It worked, preserving his undefeated streak in Republican Senate primaries this year.
Senator Darline Graham’s victory on Tuesday showed President Trump’s continued ability to move Republican primary voters, especially when he goes all in on a race.
Mr. Drummond, the state attorney general, faces an opponent backed by President Trump and Gov. Kevin Stitt. The campaign has highlighted his independent streak.