BALTIMORE, MD – APRIL 27: Police stand watch outside Oriole Park at Camden Yards before the game was postponed between the Baltimore Orioles and the Chicago White Sox on April 27, 2015 in Baltimore, Maryland. The move comes amid violent clashes between police and youths, according to news reports, the aftermath of the death of Freddie Gray on April 19 after suffering a fatal spinal injury while in police custody. (Photo by Greg Fiume/Getty Images)