Massive upheaval atop this week's Power Rankings

Massive upheaval atop this week's Power Rankings

Thanks to some hot streaks (Blue Jays, Brewers, Mets) and some not-so-hot streaks (Tigers, Dodgers, Astros), the MLB standings have, right on the cusp of the Trade Deadline, gotten almost absurdly tight. The Jays have the best record in baseball. The Cubs and Brewers are a half-game back of them;