The 2025 NASCAR Cup Series is halfway through and some driver moves are confirmed, like Daniel Suárez leaving Trackhouse Racing. But there’s excitement around the remaining rumors for the 2026 garage. With contracts expiring and young talent knocking, here are five of the hottest unconfirmed NASCAR silly season rumors to watch as teams shuffle their lineups:
Will Corey Heim Make a Full-Time Jump to Cup with 23XI Racing?
Cory Heim is dominating the NASCAR Truck Series with multiple wins and a big points lead. He’s already run part-time Cup races for 23XI Racing and rumors suggest the team might add a fourth full-time car, possibly giving Heim a full-time Cup seat in 2026.
Is Connor Zilisch Replacing Daniel Suárez at Trackhouse?
Daniel Suárez’s departure from Trackhouse is official, but the big question is who fills the №99 Chevrolet. Conor Zilisch, as their development driver, is the favorite to get the seat, but nothing is signed yet so this is still a rumor.
Will Ty Dillon Return to Kaulig Racing for 2026?
Ty Dillon’s 2025 season with Kaulig Racing has been quiet so far, and that has sparked rumors about whether the team will renew his contract. NASCAR insider chatter says negotiations are ongoing, but no deal is official yet so we’ll have to wait and see if Dillon gets to keep his ride.
Will A.J. Allmendinger Stay in Cup or Go Back to Xfinity?
A.J. Allmendinger’s full-time return to Cup in 2025 has been solid but some insiders say he might go back to Xfinity in 2026 or stay put with Kaulig Racing’s stable lineup. It all depends on Kaulig’s long-term plans and sponsorship.
Will Trackhouse Shake Up Their Lineup Beyond Suárez and Zilisch?
Ross Chastain is locked in long-term, but Shane van Gisbergen’s contract is up after 2025. So, Trackhouse Racing’s next moves are a hot topic. Rumors are swirling about possible seat swaps including whether van Gisbergen returns full-time or the team goes with other fresh talent.
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