The fight for Michigan’s open Senate seat is becoming an early proxy war over the Democratic Party’s future, with progressives and establishment leaders lining up behind rival candidates in one of the country’s most important battleground states.
The contest to replace retiring Sen. Gary Peters (D-MI) has crystallized into a three-way Democratic primary, though much of the attention has centered on Rep. Haley Stevens (D-MI) and former public health director Abdul el Sayed. State Sen. Mallory McMorrow (D-MI) is also seeking the nomination, positioning herself as an alternative who can appeal across the party’s ideological divide.
The race took on added national significance after Rep. Alexandria Ocasio-Cortez (D-NY) endorsed el Sayed, marking her first endorsement in a contested Senate primary this cycle. The move places one of the Democratic Party’s most influential progressive voices opposite Senate Minority Leader Chuck Schumer (D-NY), who has thrown his support behind Stevens.
Abdul El-Sayed; Mallory McMorrow; Haley Stevens (AP Newsroom)
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El Sayed claimed Schumer “doesn’t want to see me on the inside of the U.S. Senate” but flaunted Ocasio-Cortez’s endorsement on his website.
In announcing her endorsement, Ocasio-Cortez argued that el Sayed is the candidate best positioned to expand Democratic enthusiasm and assemble the coalition needed to win in a perennial swing state. Schumer and other party leaders have instead rallied behind Stevens, viewing the congresswoman’s more centrist profile as the stronger option for the general election. There is no mention of Schumer’s support on Stevens website, and the Washington Examiner‘s calls for comment were not returned. McMorrow has received an endorsement from Sen. Elizabeth Warren (D-MA), who called her a “fighter and a winner.”
“For generations now, working families have been squeezed by out of control costs like housing and child care, and it’s time to elect a Democrat with a backbone like Mallory,” Warren said.
The competing endorsements underscore a broader debate playing out inside the Democratic Party ahead of the 2026 midterm elections: whether its path back to power lies in energizing the progressive base or by appealing to moderate and independent voters in competitive states.
El Sayed has built his campaign around Medicare for All, economic populism, and reducing corporate influence in politics, drawing support from Sen. Bernie Sanders (I-VT) and other leaders on the party’s left. Stevens has emphasized manufacturing, organized labor, and middle-class economic priorities while cultivating support from Democratic leadership and more traditional party allies.
With the Aug. 4 primary approaching, Michigan has become one of the clearest tests yet of which vision Democratic voters will embrace — and whether an increasingly ideological primary leaves the eventual nominee better positioned or more vulnerable in November.
AOC ENDORSES ABDUL EL SAYED IN MICHIGAN PRIMARY
The last seven Democratic primary polls, according to the New York Times polls tracker, had el Sayed beating his opponents.
All three candidates have picked up endorsements from powerful unions, clergy, and other local and national leaders. Here’s a look at current influential Democratic congressional lawmakers and who they have endorsed in the high-stakes primary contest.
