The MLB Power Rankings are in flux as the season progresses, with teams making crucial decisions about buying or selling at the trade deadline. The Boston Red Sox and Orioles are heating up the AL East race, while the Marlins are sliding. The Athletics, Angels, and Rockies are clear sellers, while the Mets, Blue Jays, and Reds are open for business. The Giants, Royals, and Padres are in a holding pattern, while the Twins, Rangers, and Mariners are in the middle of the pack. The Braves, Cubs, and Brewers are in the top tier, with the Dodgers leading the way. The Phillies, Rays, and Yankees are in the second tier, while the White Sox, Pirates, and Cardinals are in the third tier. The Guardians, Marlins, Diamondbacks, Orioles, Nationals, Rangers, Twins, Tigers, Padres, Astros, and Reds are in the fourth tier. The Mets, Giants, Royals, Rockies, Angels, and Athletics are in the fifth tier.