The Cleveland Browns dominated the San Francisco 49ers with a commanding 40-7 victory in Week 4 of the 2027 season. This win not only boosts the Browns' confidence but also positions them as a formidable force early in the season, while the 49ers will need to regroup after this significant setback. Cleveland's offensive showcase was led by quarterback Fernando Mendoza, who threw for an impressive 313 yards and three touchdowns. Wide receiver Chris Olave was a standout target, racking up 175 receiving yards, while Tyler Allgeier contributed a solid ground game with 86 rushing yards. The Browns' ability to stretch the field and maintain a balanced attack proved too much for the 49ers' defense to handle. Defensively, the Browns made their mark with a relentless pass rush, highlighted by Tyler Onyedim's two sacks. The turning point came midway through the second quarter when Mendoza threw a crucial touchdown pass that shifted momentum firmly in Cleveland's favor. Although Trevin Wallace of the 49ers recorded 14 tackles, it wasn't enough to stifle the Browns' high-powered offense, which kept the pressure on throughout the game.