David Montgomery scored his first touchdown as a Texan during the season's opening game against Buffalo. The carry put the hosts on the scoreboard. That set the scoreline 7-3. Still in the opening half, he punched it in from 18 yards out. That gave him another score in the opening period. Both were notched in the opening half. His opening score was Houston's first of the 2026 season. It had the Texans ahead 7-3. His next score added to the advantage. Montgomery ended the opener with two rushing touchdowns against the Bills.