Trump endorsed; Open seat; endorsement for Primary; Won primary

Incumbent Representative Chip Roy (CFGF Lifetime Rating: 99%) is running for Attorney General of Texas, leaving this as an open seat. Mark Teixeira ran for the 21st Congressional District in Texas in the Republican primary held on March 3, 2026. In a crowded field, Teixeira won decisively with 61% of the vote, clearing the 50% threshold and avoiding a runoff. This is considered a safe Republican seat, so the Republican…