On May 12, 2010 — Major League Baseball issues a warning to the Phillies after investigating allegations made by the Colorado Rockies that bullpen coach Mick Billmeyer used binoculars to steal signs from the centerfield bullpen in the game between the teams on May 10th. In today’s game, Colorado wins, 4 – 3, as Miguel Olivo goes 5 for 5, capping his perfect day with a walk-off home run off Chad Durbin in the 10th inning.

Source:
Baseball Reference May 12