The game between the New York Yankees and Baltimore Orioles scheduled for Monday was postponed after a rain delay, with an apparent botched removal of the tarp by the grounds crew leaving Yankee Stadium with unplayable field conditions. The Monday game was originally slated to start at 6:35 p.m., but because of rain, the Yankees bumped the start back to 7:45 p.m. The grounds crew began removing the tarp a few minutes before the new start time, but the water on the tarp wound up getting dumped in left field. At 8:30 p.m., three Orioles relievers began heading from the bullpen, and about 10 minutes later, batboys and Yankees trainer Steve Donahue began removing equipment from the dugout.
Thank you Source: Sports News – Yahoo