The New York Giants are going to open their 2026 regular-season opener–the first game of the John Harbaugh era–in primetime against the Dallas Cowboys on Sunday, September 13. Week 1. Primetime. Home. 🔥 pic.twitter.com/Ev7q4poK5V — New York Giants (@Giants) May 11, 2026 The Sunday Night Football clash between the two NFC East rivals will mark the 13th time that the two foes have opened the regular season against each other, and it will be the first time they have done so since 2023. Dallas has won 11 of the 12 regular-season openers against the Giants. Starting quarterback Dak Prescott is 14-3 against the Giants, with the 14 wins representing a streak that began after his rookie season in 2016. The Cowboys hold a 78-48-2 all-time record against the Giants. The Giants are 1-0 in postseason games against their foes, having beaten Dallas in the 2007 NFC Divisional playoff round.…