The Orioles were 26-27 heading into the May 31 schedule. If there is such a thing as flipping a switch, a turning point, game, a whatever the hell you want to call it, whatever happened May 31 turned this team around. They were 4.5 back of the Jays, in third (2 back of NY for 2nd).
So, here's what's happened since then:
Home Runs: 104
Team ERA: 3.15
Home Runs: 62
So... 20 games over .500, +74 run differential, +42 home run differential