The Washington Nationals used their bark at the park promotion to call up Bruce the Bat Dog from Triple-A Rochester.

Bruce, wearing a bandana with an "MLB debut" patch he received when he arrived at the stadium, was presented a commemorative bat.

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 ...