History is not on the Browns side vs. the Chiefs in Week 1, and it has nothing to do with Cleveland’s past: Ellis L. Williams Posted May 14, 2021 Quarterback Patrick Mahomes of the Kansas City Chiefs talks with head coach Andy Reid before a 2020 game. Cleveland faces the Chiefs in Week 1 of the 2021 season. Getty Images Facebook Share CLEVELAND, Ohio -- Kevin Stefanski cannot catch a Week 1 break. Last year the NFL awarded the first-time head coach a debut vs. then-reigning MVP Lamar Jackson, fresh off a 14-2 season. A year later, Stefanski and the Browns open against Patrick Mahomes and the Chiefs, who also only lost twice in 2020.