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Former MLB All-Star Mark Teixeira Launches GOP Bid for Texas’ 21st District

His entry shifts early focus to a Republican primary that will likely decide the open Hill Country seat.

Overview

  • Teixeira filed FEC paperwork Thursday and formally launched his campaign for TX-21 after Rep. Chip Roy opted to run for attorney general.
  • The former Rangers and Yankees first baseman is running as a staunch conservative pledging to defend President Trump’s America First agenda.
  • His platform highlights tougher border enforcement, spending restraint and gun rights, with additional calls for term limits and ending “forever wars.”
  • The district, covering parts of the San AntonioAustin corridor and the Hill Country, is rated safely Republican under the new map, with analysis showing Trump would have won it by more than 21 points.
  • Early primary contours are forming, with Republican Daniel Betts filing to run and Bexar County GOP vice chair Kyle Sinclair weighing a bid ahead of the March 3, 2026 primary and the Dec. 8, 2025 filing deadline.