MLB Power Rankings Week 17: Red Sox Rocket Into Top 10 After 15-Game Streak

The Streak That Changed Everything

Fifteen games. That's all it took for the Red Sox to go from MLB afterthought to legitimate contender. Boston spent most of the 2026 season parked in the 20s of ESPN's weekly Power Rankings, but a scorching 15-game win streak has launched them all the way to No. 9 — a stunning 12-spot jump from their pre-All-Star break ranking of No. 21.

That kind of movement doesn't happen by accident. Win streaks like this usually mean a team is clicking on all cylinders: starting pitching finding its rhythm, the bullpen locking down leads, and the lineup stringing together timely hits. For a Red Sox team that spent months looking like a middle-of-the-pack club, this is the exact kind of surge that changes how contenders — and opponents — view them heading into the stretch run.

Boston Isn't Alone in the AL Shuffle

The Red Sox aren't the only American League team making noise. The White Sox climbed two spots to No. 8, sliding in just ahead of Boston, while the Guardians punched their way back into the top 10 as well. That's three AL teams bunched together in the 8-10 range, signaling a legitimately crowded race for playoff positioning as the calendar turns toward August.

For a league that's often dominated by the same handful of powerhouse rosters, seeing a mid-market team like the White Sox and a resurgent Guardians squad crash the top 10 alongside a red-hot Red Sox club adds real intrigue to the AL landscape.

National League Stays Steady at the Top

While the AL saw shakeups, the NL's top three barely blinked. The Dodgers, Brewers, and Braves held their positions as the league's clear top tier in Week 17. Los Angeles remains No. 1 despite navigating injury questions, including catcher Will Smith's ongoing absence since June 5 with a neck issue — a situation that could push the Dodgers toward the trade market for depth behind the plate.

Why the Timing Matters

This all comes right as the trade deadline approaches, which makes these rankings more than just a snapshot — they're a signal of intent. Teams surging like Boston often become buyers, looking to add pieces that turn a hot streak into a legitimate playoff run. Meanwhile, front offices watching from the outside are recalibrating who's actually a threat down the stretch.

Bottom Line

A 15-game win streak doesn't guarantee a playoff spot, but it does guarantee attention. The Red Sox have forced their way into the conversation, the White Sox and Guardians are right there with them, and the NL's top three keep rolling. With the deadline looming, expect these rankings to keep shifting fast.