Sam Mayer will leave Haas Factory Team at the end of the 2026 NASCAR O’Reilly Auto Parts Series season with plans to return to JR Motorsports (JRM).
Mayer will pilot the No. 1 JRM Chevrolet, and previously drove for the Earnhardt-owned team from 2021 through 2024. Starkey will serve as his primary sponsor for the majority of the 2027 season.
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“I’m looking forward to working with Sam again,” said team co-owner Dale Earnhardt Jr. “JRM and Sam know how to win races together and it’s my belief that Sam has improved as a driver since our past relationship. I appreciate Sam’s eagerness to win, and I know he’s excited to get back in the…
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