The Boston Red Sox's 15-game streak in July 2026 set the season benchmark, tying a franchise record and outpacing all other runs, including the Dodgers' current seven-game surge and earlier nine-game streaks by the Royals and Phillies. With the regular season nearing its end and playoff positioning intensifying, the competitive balance of MLB schedules, strong opposing pitching staffs, and limited rest windows make extensions beyond 15 games rare. Trader consensus at 96.8% for a 13-15 game maximum reflects this pattern of contained hot streaks rather than historic outliers. A late-September surge by a contender with favorable matchups could still push the mark higher, though recent form suggests such momentum rarely sustains through September's rigor.