Article Photos: Davis, Francoeur lead Royals past Braves 1-0 4/10

A police officer stands guard in the outfield as Atlanta Braves pitcher Jordan Walden warms up at left before the start of a baseball game between the Braves and the Kansas City Royals, Wednesday, April 17, 2013, in Atlanta. Signs of increased security were visible in the wake of the Boston Marathon explosions. (AP Photo/David Goldman)