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 the bat dog joined the Washington Nationals in their MLB match against the Miami Marlins. Bruce usually collects thrown bats for the Rochester Red Wings, a lower-league affiliate of the Nationals. After performing ceremonial duties for the Nationals, Bruce will return to the Red Wings.