David Montgomery scored his first touchdown as a Texan during the season's opening game against Buffalo. The run gave the offense some points. That set the scoreline 7-3. Later in the opening half, he found the end zone from 18 yards out. That added another touchdown in the opening period. Both arrived before the break. His initial touchdown was Houston's first of the 2026 season. It had the Texans on top 7-3. The follow-up added to the advantage. Montgomery closed the season opener with two rushing touchdowns against the Bills.