The dog days of summer arrived Saturday at Nationals Park.Bruce, a 21-month-old golden retriever, fetched a bat during a ceremony Saturday before the Washington Nationals’ 4-3 loss to the Miami Marlins as part of a Pups in the Park promotion.

Bruce, a 21-month-old golden retriever, fetched a bat during a ceremony Saturday before the Washington Nationals’ 4-3 loss to the Miami Marlins as part of a Pups in the Park promotion.