Rookies dominated Major League Baseball's first weekend of the 2026 season, hitting 15 home runs through the first three games—the most since 1900—and posting a 1.008 OPS, the highest mark in history. Cleveland Guardians outfielder Chase DeLauter and Cincinnati Reds first baseman Sal Stewart earned American League and National League Player of the Week honors, respectively, marking just the second time rookies have swept the opening awards. The class set multiple records, including a .622 slugging percentage and a .308 batting average, the third-best since 1900.