Trump-Endorsed Mike Collins Secures GOP Nomination for Georgia Senate

Rep. Mike Collins won the Georgia Republican Senate runoff on June 16, 2026, securing the GOP nomination to face Democratic Sen. Jon Ossoff in the fall. Collins, a second-term congressman and trucking company owner, beat former University of Tennessee football coach Derek Dooley to claim the prize, according to Voice of Alexandria.
The win was a clear victory for President Donald Trump, who endorsed Collins just two days before the vote, calling him a "MAGA warrior." It was also a defeat for Gov. Brian Kemp, who backed Dooley and hoped to keep the Georgia GOP in the hands of the state's establishment, according to Herald Journal.
Trump issued his endorsement of Collins on June 14 — just 48 hours before polls closed. He called Collins a "MAGA warrior" and urged Georgia Republicans to back him. At the same time, Gov. Kemp stood behind Dooley, setting up a direct clash between Trump's national movement and Georgia's state GOP machine, according to Dayton Daily News.
This was not the first time Trump and Kemp clashed. In 2022, Kemp beat a Trump-backed challenger and kept his governor's seat. But Trump's 2024 win in Georgia — by a 50.7% to 48.5% margin — rebuilt his grip on the state's Republican primary voters. Tuesday's result showed that grip is still very strong, according to Erie News Now.
Collins led from the start. In the May 19 primary, he pulled in 41% of the vote. Dooley came in second at 30%. Because no candidate hit the 50% threshold, Georgia law required a runoff. Collins entered that runoff with momentum and, eventually, Trump's blessing, according to Journal News.
Dooley ran as a political outsider. He pitched himself as a "workhorse" with no ties to Washington. But Collins had real advantages: name recognition as a sitting congressman, a 100% lifetime rating from the Club for Growth, and his authorship of the Laken Riley Act — a 2025 immigration law named after a Georgia student killed by an undocumented immigrant, according to Herald Journal.
Winning the primary is the easy part. Collins now faces Sen. Jon Ossoff, who has raised $60.4 million and holds about $33 million in cash for the general election. Collins raised roughly $4.88 million during the primary. That is a massive money gap heading into one of the most watched Senate races in the country, according to Dayton Daily News.
Ossoff has called Trump a "national embarrassment" and is running on his record of bringing federal money to Georgia. Collins has promised to "haul Democrat Jon Ossoff out of the Senate." This seat is one of only two Democratic-held Senate seats in states Trump won in 2024. The outcome could decide which party controls the Senate, according to Voice of Alexandria.
Georgia has been a true toss-up state since 2020. Every major statewide race since then has been decided by thin margins. Trump carried it in 2024 by just over two points. Political scientist Andra Gillespie said the race tested whether "MAGA themes" or "establishment bona fides" would connect more with voters in 2026, according to Erie News Now.
Collins' win suggests the MAGA lane is still the fastest lane in a Georgia GOP primary. But the general election is a different race entirely. Ossoff will have far more money, and the state's diverse suburbs have shown they can swing Democratic. Media analysts say Trump's backing is the "surest path" to a GOP primary win — but it is no guarantee in November, according to Joplin Globe.
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